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FANUC Series 0i-MODEL C, Series 0i Mate-MODEL C. MAINTENANCE MANUAL - page 19

8. TROUBLESHOOTING

B-64115EN/02

For an explanation of the following servo alarms, refer to the Maintenance

8.38

Manual of your servo motor.

SERVO ALARMS

Number

Message

Contents

417

SERVO ALARM: n-TH AXIS - PA-

This alarm occurs when the n-th axis (axis 1-8) is in one of the condi-

RAMETER INCORRECT

tions listed below. (Digital servo system alarm)

1) The value set in Parameter No. 2020 (motor form) is out of the speci-

fied limit.

2) A proper value (111 or -111) is not set in parameter No.2022 (motor

revolution direction).

3) Illegal data (a value below 0, etc.) was set in parameter No. 2023

(number of speed feedback pulses per motor revolution).

4) Illegal data (a value below 0, etc.) was set in parameter No. 2024

(number of position feedback pulses per motor revolution).

5) Parameters No. 2084 and No. 2085 (flexible field gear rate) have not

been set.

6) A value outside the limit of {1 to the number of control axes} or a non-

continuous value (Parameter 1023 (servo axis number) contains a

value out of the range from 1 to the number of axes, or an isolated

value (for example, 4 not prceded by 3).was set in parameter No.

1023 (servo axisnumber).

420

SERVO ALARM: n AXIS SYNC

During simple synchronous control, the difference between the torque

TORQUE

commands for the master and slave axes exceeded the value set in pa-

rameter No. 2031.

421

SERVO ALARM: n AXIS EXCESS

The difference between the errors in the semi-closed loop and closed

ER (D)

loop has become excessive during dual position feedback. Check the

values of the dual position conversion coefficients in parameters No.

2078 and 2079.

422

SERVO ALARM: n AXIS

In torque control of PMC axis control, a specified allowable speed

has been exceeded.

423

SERVO ALARM: n AXIS

In torque control of PMC axis control, the parameter-set allowable

cumulative travel distance has been exceeded.

430

n AXIS : SV. MOTOR OVERHEAT

A servo motor overheat occurred.

431

n AXIS : CNV. OVERLOAD

1) PSM: Overheat occurred.

2) β series SVU: Overheat occurred.

432

n AXIS : CNV. LOWVOLT CON.

1) PSM: The control power supply voltage has dropped.

2) PSMR: The control power supply voltage has dropped.

3) β series SVU: The control power supply voltage has dropped.

433

n AXIS : CNV. LOWVOLT DC LINK

1) PSM: The DC link voltage has dropped.

2) PSMR: The DC link voltage has dropped.

3) α series SVU: The DC link voltage has dropped.

4) β series SVU: The DC link voltage has dropped.

434

n AXIS : INV. LOWVOLT CONTROL

SVM: The control power supply voltage has dropped.

435

n AXIS : INV. LOWVOLT DC LINK

SVM: The DC link voltage has dropped.

436

n AXIS : SOFTTHERMAL (OVC)

The digital servo software detected the soft thermal state (OVC).

437

n AXIS : CNV. OVERCURRENT

PSM: Overcurrent flowed into the input circuit.

POWER

438

n AXIS : INV. ABNORMAL CUR-

1) SVM: The motor current is too high.

RENT

2) α series SVU: The motor current is too high.

3) β series SVU: The motor current is too high.

524

B-64115EN/02

8. TROUBLESHOOTING

Number

Message

Contents

439

n AXIS : CNV. OVERVOLT POWER

1) PSM: The DC link voltage is too high.

2) PSMR: The DC link voltage is too high.

3) α series SVU: The C link voltage is too high.

4) β series SVU: The link voltage is too high.

440

n AXIS : CNV. EX DECELERATION

1) PSMR: The regenerative discharge amount is too large.

POW.

2) α series SVU: The regenerative discharge amount is too large. Al-

ternatively, the regenerative discharge circuit is abnormal.

441

n AXIS : ABNORMAL CURRENT

The digital servo software detected an abnormality in the motor cur-

OFFSET

rent detection circuit.

442

n AXIS : CNV. CHARGE FAULT

1) PSM: The spare discharge circuit of the DC link is abnormal.

2) PSMR: The spare discharge circuit of the DC link is abnormal.

443

n AXIS : CNV. COOLING FAN FAIL-

1) PSM: The internal stirring fan failed.

URE

2) PSMR: The internal stirring fan failed.

3) β series SVU: The internal stirring fan failed.

444

n AXIS : INV. COOLING FAN FAIL-

SVM: The internal stirring fan failed.

URE

445

n AXIS : SOFT DISCONNECT

The digital servo software detected a broken wire in the pulse coder.

ALARM

446

n AXIS : HARD DISCONNECT

A broken wire in the built-in pulse coder was detected by hardware.

ALARM

447

n AXIS : HARD DISCONNECT (EXT)

A broken wire in the separate detector was detected by hardware.

448

n AXIS : UNMATCHED FEEDBACK

The sign of feedback data from the built-in pulse coder differs from

ALARM

that of feedback data from the separate detector.

449

n AXIS : INV. IPM ALARM

1) SVM: IPM (intelligent power module) detected an alarm.

2) α series SVU: IPM (intelligent power module) detected an alarm.

453

n AXIS : SPC SOFT DISCONNECT

Software disconnection alarm of the α pulse coder.

ALARM

Turn off the power to the CNC, then remove and insert the pulse cod-

er cable. If this alarm is issued again, replace the pulse coder.

456

ILLEGAL CURRENT LOOP

The current control cycle settings (parameter No. 2004, bit 0 of pa-

rameter No. 2003, and bit 0 of parameter No. 2013) are incorrect.

Possible problems are as follows.

- For the two axes whose servo axis numbers (settings of parameter

No. 1023) are an odd number followed by an even number (a pair

of axes 1 and 2 or axes 5 and 6, for example), a different current con-

trol cycle is set for each of the axes.

- The requirements for slaves needed for the set current control cycle,

including the number, type, and connection method of them, are not

satisfied.

457

ILLEGAL HI HRV (250US)

Use of high-speed HRV is specified although the current control

cycle is 200 ms.

458

CURRENT LOOP ERROR

The current control cycle setting does not match the actual current

control cycle.

459

HI HRV SETTING ERROR

For the two axes whose servo axis numbers (settings of parameter

No. 1023) are an odd number followed by an even number (a pair of

axes 1 and 2 or axes 5 and 6, for example), the SVM for one of the

axes supports high-speed HRV control but the SVM for the other

does not. Refer to the SVM specification.

525

8. TROUBLESHOOTING

B-64115EN/02

Number

Message

Contents

460

n AXIS : FSSB DISCONNECT

FSSB communication was disconnected suddenly. The possible

causes are as follows:

1) The FSSB communication cable was disconnected or broken.

2) The power to the amplifier was turned off suddenly.

3) A low-voltage alarm was issued by the amplifier.

461

n AXIS : ILLEGAL AMP INTERFACE

The axes of the 2-axis amplifier were assigned to the fast type inter-

face.

462

n AXIS : SEND CNC DATA FAILED

Because of an FSSB communication error, a slave could not receive

correct data.

463

n AXIS : SEND SLAVE DATA

Because of an FSSB communication error, the servo system could

FAILED

not receive correct data.

464

n AXIS : WRITE ID DATA FAILED

An attempt was made to write maintenance information on the ampli-

fier maintenance screen, but it failed.

465

n AXIS : READ ID DATA FAILED

At power-up, amplifier initial ID information could not be read.

466

n AXIS : MOTOR/AMP COMBINA-

The maximum current rating for the amplifier does not match that for

TION

the motor.

467

n AXIS : ILLEGAL SETTING OF

The servo function for the following has not been enabled when an

AXIS

axis occupying a single DSP (corresponding to two ordinary axes) is

specified on the axis setting screen.

1. Learning control (bit 5 of parameter No. 2008 = 1)

2. High-speed current loop (bit 0 of parameter No. 2004 = 1)

3. High-speed interface axis (bit 4 of parameter No. 2005 = 1)

468

HI HRV SETTING ERROR (AMP)

Use of high-speed HRV is specified for a controlled axis of an ampli-

fier which does not support high-speed HRV.

600

n AXIS : INV. DC LINK OVER CUR-

DC link current is too large.

RENT

601

n AXIS : INV. RADIATOR FAN FAIL-

The external dissipator stirring fan failed.

URE

602

n AXIS : INV. OVERHEAT

The servo amplifier was overheated.

603

n AXIS : INV. IPM ALARM (OH)

The IPM (intelligent power module) detected an overheat alarm.

604

n AXIS : AMP. COMMUNICATION

Communication between the SVM and the PSM failed.

ERROR

605

n AXIS : CNV. EX. DISCHARGE

PSMR: Regenerative power is too large.

POW.

606

n AXIS : CNV. RADIATOR FAN FAIL-

PSM: The external dissipator stirring fan failed.

URE

PSMR: The external dissipator stirring fan failed.

607

n AXIS : CNV. SINGLE PHASE FAIL-

PSM: Input voltage is in the open-phase condition.

URE

PSMR: Input voltage is in the open-phase condition.

If the hardware on the CNC is suspected to be defective as a result of

examination, replace the axis control cards.

See Section 2.4 for explanations about the mounting location of the axis

control card.

526

B-64115EN/02

8. TROUBLESHOOTING

For an explanation of the following SPC alarms (serial pulse coder

8.39

alarms), refer to the Maintenance Manual of your servo motor.

SPC ALARMS

Number

Message

Contents

360

n AXIS: ABNORMAL CHECKSUM (INT)

A checksum error occurred in the built-in pulse coder.

361

n AXIS: ABNORMAL PHASE DATA (INT)

A phase data error occurred in the built-in pulse coder.

364

n AXIS: SOFT PHASE ALARM (INT)

The digital servo software detected invalid data in the built-in

pulse coder.

365

n AXIS: BROKEN LED (INT)

An LED error occurred in the built-in pulse coder.

366

n AXIS: PULSE MISS (INT)

A pulse error occurred in the built-in pulse coder.

367

n AXIS: COUNT MISS (INT)

A count error occurred in the built-in pulse coder.

368

n AXIS: SERIAL DATA ERROR (INT)

Communication data from the built-in pulse coder cannot be

received.

369

n AXIS: DATA TRANS. ERROR (INT)

A CRC or stop bit error occurred in the communication data

being received from the built-in pulse coder.

380

n AXIS: BROKEN LED (EXT)

An LED error occured in the separate detector.

381

n AXIS: ABNORMAL PHASE

A phase data error occurred in the separate linear scale.

(EXT LIN)

382

n AXIS: COUNT MISS (EXT)

A pulse error occurred in the separate detector.

383

n AXIS: PULSE MISS (EXT)

A count error occurred in the separate detector.

384

n AXIS: SOFT PHASE ALARM (EXT)

The digital servo software detected invalid data in the separate

detector.

385

n AXIS: SERIAL DATA ERROR (EXT)

Communication data from the separate detector cannot be

received.

386

n AXIS: DATA TRANS. ERROR (EXT)

A CRC or stop bit error occurred in the communication data

being received from the separate detector.

387

n AXIS: ABNORMAL ENCODER

An error occurs in the separate detector. For details, contact

(EXT)

the manufacturer of the scale.

527

8. TROUBLESHOOTING

B-64115EN/02

For an explanation of the following spindle alarms, refer to the

8.40

Maintenance Manual of your servo motor.

SPINDLE ALARMS

Number

Contents

7101 to 7199

Spindle 1 alarm (SPM display 01 to 99)

7201 to 7299

Spindle 2 alarm (SPM display 01 to 99)

7301 to 7399

Spindle 3 alarm (SPM display 01 to 99)

7401 to 7499

Spindle 4 alarm (SPM display 01 to 99)

Number

Contents

9001 to later: Spindle_n

n-th spindle alarm (SPM display 01 or larger)

528

B-64115EN/02

APPENDIX

A. ALARM LIST

ALARM LIST

A

A.1 LIST OF ALARM CODES (CNC)

532

A.2 LIST OF ALARMS (PMC)

569

A.3 ALARM LIST (SERIAL SPINDLE)

594

A.4 ERROR CODES (SERIAL SPINDLE)

606

CAUTION

The alarm list also contains a description of the alarms for

the functions that are invalid for the Series 0i-C and Series

0i Mate-C.

531

A. ALARM LIST

APPENDIX

B-64115EN/02

A.1

LIST OF ALARM

CODES (CNC)

(1) Program errors /Alarms on program and operation (P/S alarm) (1/2)

Number

Message

Contents

000

PLEASE TURN OFF POWER

A parameter which requires the power off was input, turn off power.

001

TH PARITY ALARM

TH alarm (A character with incorrect parity was input).

Correct the tape.

002

TV PARITY ALARM

TV alarm (The number of characters in a block is odd). This alarm will

be generated only when the TV check is effective.

003

TOO MANY DIGITS

Data exceeding the maximum allowable number of digits was input.

(Refer to the item of max. programmable dimensions.)

004

ADDRESS NOT FOUND

A numeral or the sign “ - ” was input without an address at the beginning

of a block. Modify the program .

005

NO DATA AFTER ADDRESS

The address was not followed by the appropriate data but was followed

by another address or EOB code. Modify the program.

006

ILLEGAL USE OF NEGATIVE SIGN

Sign “ - ” input error (Sign “ - ” was input after an address with which it

cannot be used. Or two or more “ - ” signs were input.)

Modify the program.

007

ILLEGAL USE OF DECIMAL POINT

Decimal point “ . ” input error (A decimal point was input after an address

with which it can not be used. Or two decimal points were input.)

Modify the program.

009

ILLEGAL ADDRESS INPUT

Unusable character was input in significant area.

Modify the program.

010

IMPROPER G-CODE

An unusable G code or G code corresponding to the function not pro-

vided is specified. Modify the program.

011

NO FEEDRATE COMMANDED

Feedrate was not commanded to a cutting feed or the feedrate was in-

adequate. Modify the program.

014

CAN NOT COMMAND G95

A synchronous feed is specified without the option for threading / syn-

(M series)

chronous feed.

ILLEGAL LEAD COMMAND

In variable lead threading, the lead incremental and decremental out-

(T series)

putted by address K exceed the maximum command value or a com-

mand such that the lead becomes a negative value is given.

Modify the program.

015

TOO MANY AXES COMMANDED

An attempt was made to move the machine along the axes, but the num-

(M series)

ber of the axes exceeded the specified number of axes controlled simul-

taneously. Modify the program.

TOO MANY AXES COMMANDED

An attempt has been made to move the tool along more than the maxi-

(T series)

mum number of simultaneously controlled axes. Alternatively, no axis

movement command or an axis movement command for two or more

axes has been specified in the block containing the command for skip

using the torque limit signal (G31 P99/98). The command must be ac-

companied with an axis movement command for a single axis, in the

same block.

020

OVER TOLERANCE OF RADIUS

In circular interpolation (G02 or G03), difference of the distance between

the start point and the center of an arc and that between the end point

and the center of the arc exceeded the value specified in parameter No.

3410.

021

ILLEGAL PLANE AXIS COMMAN-

An axis not included in the selected plane (by using G17, G18, G19) was

DED

commanded in circular interpolation. Modify the program.

022

NO CIRCLE RADIUS

The command for circular interpolation lacks arc radius R or coordinate

I, J, or K of the distance between the start point to the center of the arc.

532

B-64115EN/02

APPENDIX

A. ALARM LIST

Number

Message

Contents

023

ILLEGAL RADIUS COMMAND

In circular interpolation by radius designation, negative value was com-

(T series)

manded for address R. Modify the program.

025

CANNOT COMMAND F0 IN G02/G03

F0 (fast feed) was instructed by F1 -digit column feed in circular inter-

(M series)

polation. Modify the program.

027

NO AXES COMMANDED IN

No axis is specified in G43 and G44 blocks for the tool length offset type

G43/G44 (M series)

C.

Offset is not canceled but another axis is offset for the tool length offset

type C. Modify the program.

028

ILLEGAL PLANE SELECT

In the plane selection command, two or more axes in the same direction

are commanded.

Modify the program.

029

ILLEGAL OFFSET VALUE

The offset values specified by H code is too large.

(M series)

Modify the program.

ILLEGAL OFFSET VALUE

The offset values specified by T code is too large.

(T series)

Modify the program.

030

ILLEGAL OFFSET NUMBER

The offset number specified by D/H code for tool length offset, cutter

(M series)

compensation, or three-dimensional tool offset is too large. Alternative-

ly, the number of an additional workpiece coordinate system specified

with the P code is too large. Modify the program.

ILLEGAL OFFSET NUMBER

The offset number in T function specified for tool offset is tool large.

(T series)

Modify the program.

031

ILLEGAL P COMMAND IN G10

In setting an offset amount by G10, the offset number following address

P was excessive or it was not specified.

Modify the program.

032

ILLEGAL OFFSET VALUE IN G10

In setting an offset amount by G10 or in writing an offset amount by sys-

tem variables, the offset amount was excessive.

033

NO SOLUTION AT CRC

A point of intersection cannot be determined for cutter compensation.

(M series)

Modify the program.

NO SOLUTION AT CRC

A point of intersection cannot be determined for tool nose radius com-

(T series)

pensation. Modify the program.

034

NO CIRC ALLOWED IN ST-UP /EXT

The start up or cancel was going to be performed in the G02 or G03

BLK (M series)

mode in cutter compensation C. Modify the program.

NO CIRC ALLOWED IN ST-UP /EXT

The start up or cancel was going to be performed in the G02 or G03

BLK (T series)

mode in tool nose radius compensation. Modify the program.

035

CAN NOT COMMANDED G39

G39 is commanded in cutter compensation B cancel mode or on the

(M series)

plane other than offset plane. Modify the program.

CAN NOT COMMANDED G31

Skip cutting (G31) was specified in tool nose radius compensation

(T series)

mode. Modify the program.

036

CAN NOT COMMANDED G31

Skip cutting (G31) was specified in cutter compensation mode.

(M series)

Modify the program.

037

CAN NOT CHANGE PLANE IN CRC

G40 is commanded on the plane other than offset plane in cutter com-

(M seires)

pensation B. The plane selected by using G17, G18 or G19 is changed

in cutter compensation C mode. Modify the program.

CAN NOT CHANGE PLANE IN NRC

The offset plane is switched in tool nose radius compensation.

(T seires)

Modify the program.

038

INTERFERENCE IN CIRCULAR

Overcutting will occur in cutter compensation C because the arc start

BLOCK (M seires)

point or end point coincides with the arc center.

Modify the program.

INTERFERENCE IN CIRCULAR

Overcutting will occur in tool nose radius compensation because the arc

BLOCK (T series)

start point or end point coincides with the arc center.

Modify the program.

533

A. ALARM LIST

APPENDIX

B-64115EN/02

Number

Message

Contents

039

CHF/CNR NOT ALLOWED IN NRC

Chamfering or corner R was specified with a start-up, a cancel, or

(T series)

switching between G41 and G42 in tool nose radius compensation. The

program may cause overcutting to occur in chamfering or corner R.

Modify the program.

040

INTERFERENCE IN G90/G94

Overcutting will occur in tool nose radius compensation in canned cycle

BLOCK (T series)

G90 or G94. Modify the program.

041

INTERFERENCE IN CRC

Overcutting will occur in cutter compensation C. Two or more blocks are

(M seires)

consecutively specified in which functions such as the auxiliary function

and dwell functions are performed without movement in the cutter com-

pensation mode. Modify the program.

INTERFERENCE IN NRC

Overcutting will occur in tool nose radius compensation.

(T seires)

Modify the program.

042

G45/G48 NOT ALLOWED IN CRC

Tool offset (G45 to G48) is commanded in cutter compensation. Modify

(M series)

the program.

044

G27-G30 NOT ALLOWED IN FIXED

One of G27 to G30 is commanded in canned cycle mode.

CYC (M series)

Modify the program.

045

ADDRESS Q NOT FOUND

In canned cycle G73/G83, the depth of each cut (Q) is not specified. Al-

(G73/G83) (M series)

ternatively, Q0 is specified. Correct the program.

046

ILLEGAL REFERENCE RETURN

Other than P2, P3 and P4 are commanded for 2nd, 3rd and 4th refer-

COMMAND

ence position return command.

047

ILLEGAL AXIS SELECT

Two or more parallel axes (in parallel with a basic axis) have been speci-

fied upon start-up of three-dimensional tool compensation or three-di-

mensional coordinate conversion.

048

BASIC 3 AXIS NOT FOUND

Start-up of three-dimensional tool compensation or three-dimensional

coordinate conversion has been attempted, but the three basic axes

used when Xp, Yp, or Zp is omitted are not set in parameter No. 1022.

049

ILLEGAL OPERATION (G68/G69)

The commands for three-dimensional coordinate conversion (G68,

(M series)

G69) and tool length compensation (G43, G44, G45) are not nested.

Modify the program.

050

CHF/CNR NOT ALLOWED IN THRD

Optional chamfering or corner R is commanded in the thread cutting

BLK (M series)

block.

Modify the program.

CHF/CNR NOT ALLOWED IN THRD

Chamfering or corner R is commanded in the thread cutting block.

BLK(T series)

Modify the program.

051

MISSING MOVE AFTER CHF/CNR

Improper movement or the move distance was specified in the block

(M series)

next to the optional chamfering or corner R block.

Modify the program.

MISSING MOVE AFTER CHF/CNR

Improper movement or the move distance was specified in the block

(T series)

next to the chamfering or corner R block.

Modify the program.

052

CODE IS NOT G01 AFTER CHF/CNR

The block next to the chamfering or corner R block is not G01,G02 or

(M series)

G03.

Modify the program.

CODE IS NOT G01 AFTER CHF/CNR

The block next to the chamfering or corner R block is not G01.

(T series)

Modify the program.

053

TOO MANY ADDRESS COMMANDS

For systems without the arbitary angle chamfering or corner R cutting,

(M series)

a comma was specified. For systems with this feature, a comma was fol-

lowed by something other than R or C Correct the program.

TOO MANY ADDRESS COMMANDS

In the chamfering and corner R commands, two or more of I, K and R

(T seires)

are specified. Otherwise, the character after a comma(“,”) is not C or R

in direct drawing dimensions programming. Modify the program.

055

MISSING MOVE VALUE IN CHF/CNR

In the arbitrary angle chamfering or corner R block, the move distance

(M series)

is less than chamfer or corner R amount.

534

B-64115EN/02

APPENDIX

A. ALARM LIST

Number

Message

Contents

056

NO END POINT & ANGLE IN CHF/

Neither the end point nor angle is specified in the command for the block

CNR (T series)

next to that for which only the angle is specified (A). In the chamfering

comman, I(K) is commanded for the X(Z) axis.

057

NO SOLUTION OF BLOCK END

Block end point is not calculated correctly in direct dimension drawing

(T series)

programming.

058

END POINT NOT FOUND

In a arbitrary angle chamfering or corner R cutting block, a specified axis

(M series)

is not in the selected plane. Correct the program.

END POINT NOT FOUND

Block end point is not found in direct dimension drawing programming.

(T series)

059

PROGRAM NUMBER NOT FOUND

In an external program number search, a specified program number

was not found. Otherwise, a program specified for searching is being

edited in background processing. Alternatively, the program with the

program number specified in a one-touch macro call is not found in

memory. Check the program number and external signal. Or discontin-

ue the background eiting.

060

SEQUENCE NUMBER NOT FOUND

Commanded sequence number was not found in the sequence number

search. Check the sequence number.

061

ADDRESS P/Q NOT FOUND IN

Address P or Q is not specified in G70, G71, G72, or G73 command.

G70-G73 (T series)

Modify the program.

062

ILLEGAL COMMAND IN G71-G76

1. The depth of cut in G71 or G72 is zero or negative value.

(T series)

2. The repetitive count in G73 is zero or negative value.

3. the negative value is specified to ∆i or ∆k is zero in G74 or G75.

4. A value other than zero is specified to address U or W though ∆i or

∆k is zero in G74 or G75.

5. A negative value is specified to ∆d, thoughthe relief direction in G74

or G75 is determined.

6. Zero or a negative value is specified to the height of thread or depth

of cut of first time in G76.

7. The specified minimum depth of cut in G76 is greater than the height

of thread.

8. An unusable angle of tool tip is specified in G76.

Modify the program.

063

SEQUENCE NUMBER NOT FOUND

The sequence number specified by address P in G70, G71, G72, or G73

(T series)

command cannot be searched. Modify the program.

064

SHAPE PROGRAM NOT MONOTO-

A target shape which cannot be made by monotonic machining was

NOUSLY (T series)

specified in a repetitive canned cycle (G71 or G72).

065

ILLEGAL COMMAND IN G71-G73

1. G00 or G01 is not commanded at the block with the sequence num-

(T series)

ber which is specified by address P in G71, G72, or G73 command.

2. Address Z(W) or X(U) was commanded in the block with a sequence

number which is specified by address P in G71 or G72, respectively.

Modify the program.

066

IMPROPER G-CODE IN G71-G73

An unallowable G code was commanded beween two blocks specified

(T series)

by address P in G71, G72, or G73. Modify the program.

067

CAN NOT ERROR IN MDI MODE

G70, G71, G72, or G73 command with address P and Q.

(T series)

Modify the program.

069

FORMAT ERROR IN G70-G73

The final move command in the blocks specified by P and Q of G70,

(T series)

G71, G72, and G73 ended with chamfering or corner R.

Modify the program.

070

NO PROGRAM SPACE IN MEMORY

The memory area is insufficient.

Delete any unnecessary programs, then retry.

535

A. ALARM LIST

APPENDIX

B-64115EN/02

Number

Message

Contents

071

DATA NOT FOUND

The address to be searched was not found. Or the program with speci-

fied program number was not found in program number search.

Check the data.

072

TOO MANY PROGRAMS

The number of programs to be stored exceeded 63 (basic), 125 (option),

200 (option), 400 (option) or 1000 (option). Delete unnecessary pro-

grams and execute program registeration again.

073

PROGRAM NUMBER ALREADY IN

The commanded program number has already been used.

USE

Change the program number or delete unnecessary programs and

execute program registeration again.

074

ILLEGAL PROGRAM NUMBER

The program number is other than 1 to 9999.

Modify the program number.

075

PROTECT

An attempt was made to register a program whose number was pro-

tected.

076

ADDRESS P NOT DEFINED

Address P (program number) was not commanded in the block which

includes an M98, G65, or G66 command. Modify the program.

077

SUB PROGRAM NESTING ERROR

The subprogram was called in five folds. Modify the program.

078

NUMBER NOT FOUND

A program number or a sequence number which was specified by ad-

dress P in the block which includes an M98, M99, M65 or G66 was not

found. The sequence number specified by a GOTO statement was not

found. Otherwise, a called program is being edited in background pro-

cessing. Correct the program, or discontinue the background editing.

079

PROGRAM VERIFY ERROR

In memory or program collation,a program in memory does not agree

with that read from an external I/O device. Check both the programs in

memory and those from the external device.

080

G37 ARRIVAL SIGNAL NOT

In the automatic tool length measurement function (G37), the measure-

ASSERTED

ment position reach signal (XAE, YAE, or ZAE) is not turned on within

(M series)

an area specified in parameter 6254 6255 (value ε).

This is due to a setting or operator error.

G37 ARRIVAL SIGNAL NOT

In the automatic tool compensation function (G36, G37), the measure-

ASSERTED

ment position reach signal (XAE or ZAE) is not turned on within an area

(T series)

specified in parameter 6254 (value ε).

This is due to a setting or operator error.

081

OFFSET NUMBER NOT FOUND IN

Tool length automatic measurement (G37) was specified without a H

G37

code. (Automatic tool length measurement function) Modify the pro-

(M series)

gram.

OFFSET NUMBER NOT FOUND IN

Automatic tool compensation (G36, G37) was specified without a T

G37 (T series)

code. (Automatic tool compensation function) Modify the program.

082

H-CODE NOT ALLOWED IN G37

H code and automatic tool compensation (G37) were specified in the

(M series)

same block. (Automatic tool length measurement function) Modify the

program.

T-CODE NOT ALLOWED IN G37

T code and automatic tool compensation (G36, G37) were specified in

(T series)

the same block. (Automatic tool compensation function)

Modify the program.

083

ILLEGAL AXIS COMMAND IN G37

In automatic tool length measurement, an invalid axis was specified or

(M series)

the command is incremental. Modify the program.

ILLEGAL AXIS COMMAND IN G37

In automatic tool compensation (G36, G37), an invalid axis was speci-

(T series)

fied or the command is incremental. Modify the program.

085

COMMUNICATION ERROR

When entering data in the memory by using Reader / Puncher interface,

an overrun, parity or framing error was generated. The number of bits

of input data or setting of baud rate or specification No. of I/O unit is in-

correct.

536

B-64115EN/02

APPENDIX

A. ALARM LIST

Number

Message

Contents

086

DR SIGNAL OFF

When entering data in the memory by using Reader / Puncher interface,

the ready signal (DR) of reader / puncher was turned off.

Power supply of I/O unit is off or cable is not connected or a P.C.B. is de-

fective.

087

BUFFER OVERFLOW

When entering data in the memory by using Reader / Puncher interface,

though the read terminate command is specified, input is not interrupted

after 10 characters read. I/O unit or P.C.B. is defective.

088

LAN FILE TRANS ERROR

File data transfer via OSI-ETHERNET has been stopped due to a trans-

(CHANNEL-1)

fer error.

089

LAN FILE TRANS ERROR

File data transfer via OSI-ETHERNET has been stopped due to a trans-

(CHANNEL-2)

fer error.

090

REFERENCE RETURN

1. The reference position return cannot be performed normally be-

INCOMPLETE

cause the reference position return start point is too close to the ref-

erence position or the speed is too slow. Separate the start point far

enough from the reference position, or specify a sufficiently fast

speed for reference position return.

2. During reference position return with the absolute-position detector,

if this alarm occurs even though condition 1 is satisfied, do the fol-

lowing:

After turning the servo motor for the axis at least one turn, turn the

power off and then on again. Then perform reference position re-

turn.

091

REFERENCE RETURN

Manual reference position return cannot be performed when automatic

INCOMPLETE

operation is halted.

092

AXES NOT ON THE REFERENCE

The commanded axis by G27 (Reference position return check) did not

POINT

return to the reference position.

094

P TYPE NOT ALLOWED

P type cannot be specified when the program is restarted. (After the au-

(COORD CHG)

tomatic operation was interrupted, the coordinate system setting opera-

tion was performed.)

Perform the correct operation according to th operator’s manual.

095

P TYPE NOT ALLOWED

P type cannot be specified when the program is restarted.

(After the

(EXT OFS CHG)

automatic operation was interrupted, the external workpiece offset

amount changed.)

Perform the correct operation according to th operator’s manual.

096

P TYPE NOT ALLOWED

P type cannot be specified when the program is restarted. (After the au-

(WRK OFS CHG)

tomatic operation was interrupted, the workpiece offset amount

changed.)

Perform the correct operation according to the operator’s manual.

097

P TYPE NOT ALLOWED

P type cannot be directed when the program is restarted. (After power

(AUTO EXEC)

ON, after emergency stop or P / S 94 to 97 reset, no automatic operation

is performed.) Perform automatic operation.

098

G28 FOUND IN SEQUENCE

A command of the program restart was specified without the reference

RETURN

position return operation after power ON or emergency stop, and G28

was found during search.

Perform the reference position return.

099

MDI EXEC NOT ALLOWED

After completion of search in program restart, a move command is given

AFT. SEARCH

with MDI. Move axis before a move command or don’t interrupt MDI op-

eration.

100

PARAMETER WRITE ENABLE

On the PARAMETER(SETTING) screen, PWE(parameter writing en-

abled) is set to 1. Set it to 0, then reset the system.

101

PLEASE CLEAR MEMORY

The power turned off while rewriting the memory by program edit opera-

tion. If this alarm has occurred, press <RESET> while pressing

<PROG>, and only the program being edited will be deleted.

Register the deleted program.

537

A. ALARM LIST

APPENDIX

B-64115EN/02

Number

Message

Contents

109

FORMAT ERROR IN G08

A value other than 0 or 1 was specified after P in the G08 code, or no

value was specified.

110

DATA OVERFLOW

The absolute value of fixed decimal point display data exceeds the al-

lowable range. Modify the program.

111

CALCULATED DATA OVERFLOW

The result of calculation turns out to be invalid, an alarm No.111 is is-

sued.

-10⁴⁷ to -10^-29, 0, 10^-29 to 10⁴⁷

Modify the program.

112

DIVIDED BY ZERO

Division by zero was specified. (including tan 90°)

Modify the program.

113

IMPROPER COMMAND

A function which cannot be used in custom macro is commanded.

Modify the program.

114

FORMAT ERROR IN MACRO

There is an error in other formats than <Formula>.

Modify the program.

115

ILLEGAL VARIABLE NUMBER

A value not defined as a variable number is designated in the custom

macro or in high-speed cycle machining.

The header contents are improper. This alarm is given in the following

cases:

High speed cycle machining

1. The header corresponding to the specified machining cycle number

called is not found.

2. The cycle connection data value is out of the allowable range

(0 - 999).

3. The number of data in the header is out of the allowable range

(0 - 32767).

4. The start data variable number of executable format data is out of

the allowable range (#20000 - #85535).

5. The last storing data variable number of executable format data is

out of the allowable range (#85535).

6. The storing start data variable number of executable format data is

overlapped with the variable number used in the header.

Modify the program.

116

WRITE PROTECTED VARIABLE

The left side of substitution statement is a variable whose substitution

is inhibited. Modify the program.

118

PARENTHESIS NESTING ERROR

The nesting of bracket exceeds the upper limit (quintuple).

Modify the program.

119

ILLEGAL ARGUMENT

The SQRT argument is negative. Or BCD argument is negative, and

other values than 0 to 9 are present on each line of BIN argument.

Modify the program.

122

FOUR FOLD MACRO MODAL-CALL

The macro modal call is specified four fold.

Modify the program.

123

CAN NOT USE MACRO COMMAND

Macro control command is used during DNC operation.

IN DNC

Modify the program.

124

MISSING END STATEMENT

DO - END does not correspond to 1 : 1. Modify the program.

125

FORMAT ERROR IN MACRO

<Formula> format is erroneous. Modify the program.

126

ILLEGAL LOOP NUMBER

In DOn, 1x n x3 is not established. Modify the program.

127

NC, MACRO STATEMENT IN SAME

NC and custom macro commands coexist.

BLOCK

Modify the program.

128

ILLEGAL MACRO SEQUENCE

The sequence number specified in the branch command was not 0 to

NUMBER

9999. Or, it cannot be searched. Modify the program.

538

B-64115EN/02

APPENDIX

A. ALARM LIST

Number

Message

Contents

129

ILLEGAL ARGUMENT ADDRESS

An address which is not allowed in <Argument Designation > is used.

Modify the program.

130

ILLEGAL AXIS OPERATION

An axis control command was given by PMC to an axis controlled by

CNC. Or an axis control command was given by CNC to an axis con-

trolled by PMC. Modify the program.

131

TOO MANY EXTERNAL ALARM

Five or more alarms have generated in external alarm message.

MESSAGES

Consult the PMC ladder diagram to find the cause.

132

ALARM NUMBER NOT FOUND

No alarm No. concerned exists in external alarm message clear.

Check the PMC ladder diagram.

133

ILLEGAL DATA IN EXT. ALARM MSG

Small section data is erroneous in external alarm message or external

operator message. Check the PMC ladder diagram.

135

ILLEGAL ANGLE COMMAND

The index table indexing positioning angle was instructed in other than

(M series)

an integral multiple of the value of the minimum angle.

Modify the program.

SPINDLE ORIENTATION PLEASE

Without any spindle orientation , an attept was made for spindle index-

(T series)

ing. Perform spindle orientation.

136

ILLEGAL AXIS COMMAND

In index table indexing.Another control axis was instructed together with

(M series)

the B axis.

Modify the program.

C/H-CODE & MOVE CMD IN SAME

A move command of other axes was specified to the same block as

BLK. (T series)

spindle indexing addresses C, H. Modify the program.

137

M-CODE & MOVE CMD IN SAME

A move command of other axes was specified to the same block as M-

BLK.

code related to spindle indexing. Modify the program.

138

SUPERIMPOSED DATA OVER-

The total distribution amount of the CNC and PMC is too large during

FLOW

superimposed control of the extended functions for PMC axis control.

139

CAN NOT CHANGE PMC CONTROL

An axis is selected in commanding by PMC axis control.

AXIS

Modify the program.

140

BP/S ALARM

Background editing alarm. See page 545.

141

CAN NOT COMMAND G51 IN CRC

G51 (Scaling ON) is commanded in the tool offset mode.

(M series)

Modify the program.

142

ILLEGAL SCALE RATE

Scaling magnification is commanded in other than 1 - 999999.

(M series)

Correct the scaling magnification setting (G51 P_p

or parameter 5411 or 5421).

143

SCALED MOTION DATA OVER-

The scaling results, move distance, coordinate value and circular radius

FLOW

exceed the maximum command value. Correct the program or scaling

(M series)

mangification.

144

ILLEGAL PLANE SELECTED

The coordinate rotation plane and arc or cutter compensation C plane

(M series)

must be the same. Modify the program.

145

ILLEGAL CONDITIONS IN POLAR

The conditions are incorrect when the polar coordinate interpolation

COORDINATE INTERPOLATION

starts or it is canceled.

1) In modes other than G40, G12.1/G13.1 was specified.

2) An error is found in the plane selection. Parameters No. 5460 and

No. 5461 are incorrectly specified.

Modify the value of program or parameter.

146

IMPROPER G CODE

G codes which cannot be specified in the polar coordinate interpolation

mode was specified. See section II-4.4 and modify the program.

148

ILLEGAL SETTING DATA

Automatic corner override deceleration rate is out of the settable range

(M series)

of judgement angle. Modify the parameters (No.1710 to No.1714)

150

ILLEGAL TOOL GROUP NUMBER

Tool Group No. exceeds the maximum allowable value.

Modify the program.

539

A. ALARM LIST

APPENDIX

B-64115EN/02

Number

Message

Contents

151

TOOL GROUP NUMBER NOT

The tool group commanded in the machining program is not set.

FOUND

Modify the value of program or parameter.

152

NO SPACE FOR TOOL ENTRY

The number of tools within one group exceeds the maximum value re-

gisterable. Modify the number of tools.

153

T-CODE NOT FOUND

In tool life data registration, a T code was not specified where one should

be. Correct the program.

154

NOT USING TOOL IN LIFE GROUP

When the group is not commanded, H99 or D99 was commanded.

(M series)

Correct the program.

155

ILLEGAL T-CODE IN M06

In the machining program, M06 and T code in the same block do not cor-

(M series)

respond to the group in use. Correct the program.

ILLEGAL T-CODE IN M06

Group No.∆∆ which is specified with T∆∆ 88 of the machining program

(T series)

do not included in the tool group in use. Correct the program.

156

P/L COMMAND NOT FOUND

P and L commands are missing at the head of program in which the tool

group is set. Correct the program.

157

TOO MANY TOOL GROUPS

The number of tool groups to be set exceeds the maximum allowable

value. (See parameter No. 6800 bit 0 and 1) Modify the program.

158

ILLEGAL TOOL LIFE DATA

The tool life to be set is too excessive. Modify the setting value.

159

TOOL DATA SETTING

During executing a life data setting program, power was turned off.

INCOMPLETE

Set again.

160

MISMATCH WAITING M-CODE

Diffrent M code is commanded in heads 1 and 2 as waiting M code.

(T series (At two-path))

Modify the program.

MISMATCH WAITING M-CODE

1) Although the same P command is specified, the waiting M codes do

(T series (At three-path))

not match.

2) Although the waiting M codes match, the P commands do not match.

3) Two-path wait and three-path wait are specified simultaneously.

Modify the program.

G72.1 NESTING ERROR

A subprogram which performs rotational copy with G72.1 contains

(M series)

another G72.1 command.

161

ILLEGAL P OF WAITING M-CODE

1) The value of address P is a negative value, 1, 2, 4, or a value not

(T series (three-path control)

smaller than 8.

2) The value specified in P is not consistent with the system configura-

tion.

Modify the program.

G72.1 NESTING ERROR

A subprogram which performs parallel copy with G72.2 contains anoth-

(M series)

er G72.2 command.

163

COMMAND G68/G69 INDEPEN-

G68 and G69 are not independently commanded in balance cut.

DENTLY (T series (At two-path))

Modify the program.

169

ILLEGAL TOOL GEOMETRY DATA

Incorrect tool figure data in interference check.

(At two-path)

Set correct data, or select correct tool figure data.

175

ILLEGAL G107 COMMAND

Conditions when performing circular interpolation start or cancel not

correct. To change the mode to the cylindrical interpolation mode, spec-

ify the command in a format of “G07.1 rotation-axis name radius of cylin-

der.”

540

B-64115EN/02

APPENDIX

A. ALARM LIST

Number

Message

Contents

176

IMPROPER G-CODE IN G107

Any of the following G codes which cannot be specified in the cylindrical

(M series)

interpolation mode was specified.

1) G codes for positioning: G28,, G73, G74, G76, G81 - G89,

including the codes specifying the rapid traverse cycle

2) G codes for setting a coordinate system: G52,G92,

3) G code for selecting coordinate system: G53 G54-G59

Modify the program.

IMPROPER G-CODE IN G107

Any of the following G codes which cannot be specified in the cylindrical

(T series)

interpolation mode was specified.

1) G codes for positioning: G28, G76, G81 - G89, including the

codes specifying the rapid traverse cycle

2) G codes for setting a coordinate system: G50, G52

3) G code for selecting coordinate system: G53 G54-G59

Modify the program.

181

FORMAT ERROR IN G81 BLOCK

G81 block format error (hobbing machine)

(Hobbing machine, EGB) (M series)

1) T (number of teeth) has not been instructed.

2) Data outside the command range was instructed by either T, L, Q or

P.

3) An overflow occurred in synchronization coefficient calculation.

Modify the program.

182

G81 NOT COMMANDED

G83 (C axis servo lag quantity offset) was instructed though synchro-

(Hobbing machine) (M series)

nization by G81 has not been instructed. Correct the program. (hobbing

machine)

183

DUPLICATE G83 (COMMANDS)

G83 was instructed before canceled by G82 after compensating for the

(Hobbing machine) (M series)

C axis servo lag quantity by G83. (hobbing machine)

184

ILLEGAL COMMAND IN G81

A command not to be instructed during synchronization by G81 was

(Hobbing machine, EGB) (M series)

instructed. (hobbing machine)

1) A C axis command by G00, G27, G28, G29, G30, etc. was

instructed.

2) Inch/Metric switching by G20, G21 was instructed.

185

RETURN TO REFERENCE POINT

G81 was instructed without performing reference position return after

(Hobbing machine) (M series)

power on or emergency stop. (hobbing machine) Perform reference

position return.

186

PARAMETER SETTING ERROR

Parameter error regarding G81 (hobbing machine)

(Hobbing machine, EGB) (M series)

1) The C axis has not been set to be a rotary axis.

2) A hob axis and position coder gear ratio setting error

Modify the parameter.

187

HOB COMMAND IS NOT ALLOWED

Error in the modal state when G81.4 or G81 is specified

1. The canned cycle mode (G81 to G89) is set.

2. The thread cutting mode is set.

3. The C-axis is under synchronous, composite, or superimposed

control.

190

ILLEGAL AXIS SELECT

In the constant surface speed control, the axis specification is wrong.

(See parameter No. 3770.) The specified axis command (P) contains an

illegal value.

Correct the program.

194

SPINDLE COMMAND IN

A contour control mode, spindle positioning (Cs-axis control) mode, or

SYNCHRO-MODE

rigid tapping mode was specified during the serial spindle synchronous

control mode. Correct the program so that the serial spindle synchro-

nous control mode is released in advance.

541

A. ALARM LIST

APPENDIX

B-64115EN/02

Number

Message

Contents

197

C-AXIS COMMANDED IN SPINDLE

The program specified a movement along the Cs-axis when the signal

MODE

CON(DGN=G027#7) was off. Correct the program, or consult the PMC

ladder diagram to find the reason the signal is not turned on.

199

MACRO WORD UNDEFINED

Undefined macro word was used. Modify the custom macro.

200

ILLEGAL S CODE COMMAND

In the rigid tap, an S value is out of the range or is not specified.

Modify the program.

201

FEEDRATE NOT FOUND IN RIGID

In the rigid tap, no F value is specified.

TAP

Correct the program.

202

POSITION LSI OVERFLOW

In the rigid tap, spindle distribution value is too large. (System error)

203

PROGRAM MISS AT RIGID TAPPING

In the rigid tap, position for a rigid M code (M29) or an S command is in-

correct. Modify the program.

204

ILLEGAL AXIS OPERATION

In the rigid tap, an axis movement is specified between the rigid M code

(M29) block and G84 or G74 for M series (G84 or G88 for T series) block.

Modify the program.

205

RIGID MODE DI SIGNAL OFF

1. Although a rigid M code (M29) is specified in rigid tapping, the rigid

mode DI signal (DGN G061.0) is not ON during execution of the G84

(G88) block.

2. In a system with the multi-spindle option, the spindle used for rigid

tapping is not selected (by DI signal G27#0 and #1, or G61#4 and #5).

Check the PMC ladder diagram to find the reason why the DI signal

is not turned on.

206

CAN NOT CHANGE PLANE

Plane changeover was instructed in the rigid mode.

(M series)

Correct the program.

207

RIGID DATA MISMATCH

The specified distance was too short or too long in rigid tapping.

210

CAN NOT COMAND M198/M199

M98 and M99 are executed in the schedule operation. M198 is

executed in the DNC operation. Modify the program.

1) The execution of an M198 or M99 command was attempted during

scheduled operation. Alternatively, the execution of an M198 com-

mand was attempted during DNC operation. Correct the program.

The execution of an M99 command was attempted by an interrupt

macro during pocket machining in a multiple repetitive canned

cycle.

211

G31 (HIGH) NOT ALLOWED IN G99

G31 is commanded in the per revolution command when the high-

(T series)

speed skip option is provided. Modify the program.

212

ILLEGAL PLANE SELECT

The arbitrary angle chamfering or a corner R is commanded or the plane

(M series)

including an additional axis. Correct the program.

ILLEGAL PLANE SELECT

The direct drawing dimensions programming is commanded for the

(T series)

plane other than the Z-X plane. Correct the program.

213

ILLEGAL COMMAND IN

Movement is commanded for the axis to be synchronously controlled.

SYNCHRO-MODE

Any of the following alarms occurred in the operation with the simple

(M series)

synchronization control.

1) The program issued the move command to the slave axis.

2) The program issued the manual continuous feed/manual handle

feed/incremental feed command to the slave axis.

3) The program issued the automatic reference position return com-

mand without specifying the manual reference position return after

the power was turned on.

4) The difference between the position error amount of the master and

slave axes exceeded the value specified in parameter NO.8313.

ILLEGAL COMMAND IN

A move command has been specified for an axis subject to synchro-

SYNCHRO-MODE (T series)

nous control.

542

B-64115EN/02

APPENDIX

A. ALARM LIST

Number

Message

Contents

214

ILLEGAL COMMAND IN

Coordinate system is set or tool compensation of the shift type is

SYNCHRO-MODE

executed in the synchronous control. Correct the program.

217

DUPLICATE G51.2 (COMMANDS)

G51.2/G251 is further commanded in the G51.2/G251 mode. Modify

(T series)

the program.

218

NOT FOUND P/Q COMMAND IN

P or Q is not commanded in the G251 block, or the command value is

G251 (T series)

out of the range. Modify the program.

219

COMMAND G250/G251

G251 and G250 are not independent blocks.

INDEPENDENTLY (T series)

220

ILLEGAL COMMAND IN

In the synchronous operation, movement is commanded by the NC pro-

SYNCHR-MODE (T series)

gram or PMC axis control interface for the synchronous axis.

221

ILLEGAL COMMAND IN

Polygon machining synchronous operation and axis control or balance

SYNCHR-MODE (T series)

cutting are executed at a time. Modify the program.

222

DNC OP. NOT ALLOWED IN

Input and output are executed at a time in the background edition.

BG.-EDIT (M series)

Execute a correct operation.

224

RETURN TO REFERENCE POINT

Reference position return has not been performed before the automatic

(M series)

operation starts. Perform reference position return only when bit 0 of pa-

rameter 1005 is 0.

TURN TO REFERENCE POINT

Reference position return is necessary before cycle start.

(T series)

225

SYNCHRONOUS/MIXED CONTROL

This alarm is generated in the following circumstances. (Searched for

ERROR

during synchronous and mixed control command.

(T series (At two-path))

1

When there is a mistake in axis number parameter (No. 1023) set-

ting.

2

When there is a mistake in control commanded.

During hobbing synchronization, a command to bring the C-axis under

synchronous, composite, or superimposed control is made.

Modify the program or the parameter.

226

ILLEGAL COMMAND IN SYNCHRO-

A travel command has been sent to the axis being synchronized in syn-

MODE (T series (At two-path))

chronous mode. Modify the program or the parameter.

229

CAN NOT KEEP SYNCHRO-STATE

This alarm is generated in the following circumstances.

(T series)

1

When the synchro/mixed state could not be kept due to system over-

load.

2

The above condition occurred in CMC devices (hardware) and syn-

chro-state could not be kept.

(This alarm is not generated in normal use conditions.)

230

R CODE NOT FOUND

The infeed quantity R has not been instructed for the G161 block. Or

(Grinding machine) (M series)

the R command value is negative. Correct the program.

231

ILLEGAL FORMAT IN G10 OR L50

Any of the following errors occurred in the specified format at the pro-

grammable-parameter input.

1

Address N or R was not entered.

2

A number not specified for a parameter was entered.

3

The axis number was too large.

4

An axis number was not specified in the axis-type parameter.

5

An axis number was specified in the parameter which is not an axis

type. Correct the program.

6

In the locked state set by the password function, an attempt was

made to set bit 4 (NE9) of parameter No. 3204 to 0 or change the con-

tents of parameter No. 3210.

7

An attempt was made to change a program encryption parameter

(parameter No. 3220 to 3223).

543

A. ALARM LIST

APPENDIX

B-64115EN/02

Number

Message

Contents

232

TOO MANY HELICAL AXIS

Three or more axes (in the normal direction control mode (M series) two

COMMANDS

or more axes) were specified as helical axes in the helical interpolation

mode.

233

DEVICE BUSY

When an attempt was made to use a unit such as that connected via the

RS-232-C interface, other users were using it.

239

BP/S ALARM

While punching was being performed with the function for controlling ex-

ternal I/O units ,background editing was performed.

240

BP/S ALARM

Background editing was performed during MDI operation.

241

ILLEGAL FORMAT IN G02.2/G03.2

The end point, I, J, K, or R is missing from a command for involute inter-

(M series)

polation.

242

ILLEGAL COMMAND IN

An invalid value has been specified for involute interpolation.

G02.2/G03.2

S The start or end point is within the basic circle.

(M series)

S I, J, K, or R is set to 0.

S The number of rotations between the start of the involute curve and

the start or end point exceeds 100.

243

OVER TOLERANCE OF END POINT

The end point is not on the involute curve which includes the start point

(M series)

and thus falls outside the range specified with parameter No. 5610.

244

P/S ALARM

In the skip function activated by the torque limit signal, the number of ac-

(T series)

cumulated erroneous pulses exceed 32767 before the signal was input.

Therefore, the pulses cannot be corrected with one distribution.

Change the conditions, such as feed rates along axes and torque limit,

and try again.

245

T-CODE NOT ALOWEE IN THIS

One of the G codes, G50, G10, and G04, which cannot be specified in

BLOCK (T series)

the same block as a T code, was specified with a T code.

246

ENCODE PROGRAM

During read of an encrypted program, an attempt was made to store the

NUMBER ERROR

program with a number exceeding the protection range.

(See parameter Nos. 3222 and 223.)

247

ILLEGAL CODE USED

When an encrypted program is output, EIA is set for the punch code.

FOR OUTPUT

Specify ISO.

250

Z AXIS WRONG COMMAND (ATC)

Movement along the Z-axis is specified in a block specifying a tool

(M series)

change command (M06T_). (Only for ROBODRILL)

251

ATC ERROR

This alarm is issued in the following cases:

(M series)

S An M06T_ command contains an unusable T code.

S An M06 command has been specified when the Z machine coordi

nate is positive.

S The parameter for the current tool number (No. 7810) is set to 0.

S An M06 command has been specified in canned cycle mode.

S A reference position return command (G27 to G44) and M06 com-

mand have been specified in the same block.

S An M06 command has been specified in tool compensation mode

(G41 to G44).

S An M06 command has been specified without performing reference

position return after power-on or the release of emergency stop.

S The machine lock signal or Z-axis ignore signal has been turned on

during tool exchange.

S A pry alarm has been detected during tool exchange.

Refer to diagnosis No. 530 to determine the cause. (Only for ROBO-

DRILL)

544

B-64115EN/02

APPENDIX

A. ALARM LIST

Number

Message

Contents

252

ATC SPINDLE ALARM

An excessive error arose during spindle positioning for ATC. For details,

(M series)

refer to diagnosis No. 531. (Only for ROBODRILL)

253

G05 IS NOT AVAILABLE

Alarm details

(M series)

Binary input operation using high-speed remote buffer (G05) or high-

speed cycle machining (G05) has been specified in advance control

mode (G08P1). Execute G08P0; to cancel advance control mode, be-

fore executing these G05 commands.

(2) Background edit alarm

Number

Message

Contents

???

BP/S alarm

BP/S alarm occurs in the same number as the P/S alarm that occurs in

ordinary program edit. (070, 071, 072, 073, 074 085,086,087 etc.)

140

BP/S alarm

It was attempted to select or delete in the background a program being

selected in the foreground. (Note)

Use background editing correctly.

NOTE

Alarm in background edit is displayed in the key input line of the background edit screen instead

of the ordinary alarm screen and is resettable by any of the MDI key operation.

(3) Absolute pulse coder (APC) alarm

Number

Message

Contents

300

APC alarm: nth-axis origin return

Manual reference position return is required for the nth-axis (n=1 - 8).

301

APC alarm: nth-axis communication

nth-axis (n=1 - 8) APC communication error. Failure in data transmis-

sion

Possible causes include a faulty APC, cable, or servo interface module.

302

APC alarm: nth-axis over time

nth-axis (n=1 - 8) APC overtime error.

Failure in data transmission.

Possible causes include a faulty APC, cable, or servo interface module.

303

APC alarm: nth-axis framing

nth-axis (n=1 - 8) APC framing error. Failure in data transmission.

Possible causes include a faulty APC, cable, or servo interface module.

304

APC alarm: nth-axis parity

nth-axis (n=1 - 8) APC parity error.

Failure in data transmission.

Possible causes include a faulty APC, cable, or servo interface module.

305

APC alarm: nth-axis pulse error

nth-axis (n=1 - 8) APC pulse error alarm.

APC alarm.APC or cable may be faulty.

306

APC alarm: nth-axis battery

nth-axis (n=1 - 8) APC battery voltage has decreased to a low level so

voltage 0

that the data cannot be held.

APC alarm. Battery or cable may be faulty.

307

APC alarm: nth-axis battery low 1

nth-axis (n=1 - 8) axis APC battery voltage reaches a level where the

battery must be renewed.

APC alarm. Replace the battery.

308

APC alarm: nth-axis battery low 2

nth-axis (n=1 - 8) APC battery voltage has reached a level where the

battery must be renewed (including when power is OFF).

APC alarm .Replace battery.

309

APC ALARM:

Return to the origin has been attempted without first rotating the motor

n AXIS ZRN IMPOSSIBL

one or more times. Before returning to the origin, rotate the motor one

or more times then turn off the power.

545

A. ALARM LIST

APPENDIX

B-64115EN/02

(4) Inductsyn alarms

Number

Message

Description

330

INDUCTOSYN:DATA ALARM

The absolute-position data (offset data) from Inductosyn cannot be

detected.

331

INDUCTOSYN:ILLEGAL PRM

Parameter No. 1874, 1875, or 1876 is set to 0.

(5) Serial pulse coder

(SPC) alarms

No.

Message

Description

360

n AXIS : ABNORMAL CHECKSUM

A checksum error occurred in the built-in pulse coder.

(INT)

361

n AXIS : ABNORMAL PHASE DATA

A phase data error occurred in the built-in pulse coder.

(INT)

362

n AXIS : ABNORMAL REV.DATA

A rotation speed count error occurred in the built-in pulse coder.

(INT)

363

n AXIS : ABNORMAL CLOCK (INT)

A clock error occurred in the built-in pulse coder.

364

n AXIS : SOFT PHASE ALARM (INT)

The digital servo software detected invalid data in the built-in pulse

coder.

365

n AXIS : BROKEN LED (INT)

An LED error occurred in the built-in pulse coder.

366

n AXIS : PULSE MISS (INT)

A pulse error occurred in the built-in pulse coder.

367

n AXIS : COUNT MISS (INT)

A count error occurred in the built-in pulse coder.

368

n AXIS : SERIAL DATA ERROR

Communication data from the built-in pulse coder cannot be re-

(INT)

ceived.

369

n AXIS : DATA TRANS. ERROR

A CRC or stop bit error occurred in the communication data being

(INT)

received from the built-in pulse coder.

380

n AXIS : BROKEN LED (EXT)

The LED of separate detector is erroneous.

381

n AXIS : ABNORMAL PHASE

A phase data error occurred in the separate linear scale.

(EXT LIN)

382

n AXIS : COUNT MISS (EXT)

A pulse error occurred in the separate detector.

383

n AXIS : PULSE MISS (EXT)

A count error occurred in the separate detector.

384

n AXIS : SOFT PHASE ALARM

The digital servo software detected invalid data in the separate de-

(EXT)

tector.

385

n AXIS : SERIAL DATA ERROR

Communication data from the separate detector cannot be received.

(EXT)

386

n AXIS : DATA TRANS. ERROR

A CRC or stop bit error occurred in the communication data being

(EXT)

received from the separate detector.

387

n AXIS : ABNORMAL ENCODER

An error occurs in the separate detector. For details, contact the

(EXT)

manufacturer of the scale.

546

B-64115EN/02

APPENDIX

A. ALARM LIST

D The details of serial

The details of serial pulse coder alarm are displayed in the diagnosis

pulse coder alarm

display (No. 202 and No.203) as shown below.

#7

#6

#5

#4

#3

#2

#1

#0

202

CSA

BLA

PHA

PCA

BZA

CKA

SPH

#6 (CSA) : The serial pulse coder is defective. Replace it.

#5 (BLA) : The battery voltage is low. Replace the batteries.

#4 (PHA) : The serial pulse coder or feedback cable is defective. Replace the serial

pulse coder or cable.

#3 (PCA) : The serial pulse coder is defective. Replace it.

#2 (BZA) : The pulse coder was supplied with power for the first time.

Make sure that the batteries are connected.

Turn the power off, then turn it on again and perform a reference position

return.

#1 (CKA) : The serial pulse coder is defective. Replace it.

#0 (SPH) : The serial pulse coder or feedback cable is defective. Replace the serial

pulse coder or cable.

#7

#6

#5

#4

#3

#2

#1

#0

203

DTE

CRC

STB

PRM

#7 (DTE) : The serial pulse coder encountered a communication error.

The pulse coder, feedbak cable, or feedback receiver circuit is defective.

Replace the pulse coder, feedback cable, or NC-axis board

#6 (CRC) : The serial pulse coder encountered a communication error.

The pulse coder, feedback cable, or feedback receiver circuit is defective.

Replace the pulse coder, feedback cable, or NC-axis board.

#5 (STB) : The serial pulse coder encountered a communication error.

The pulse coder, feedback cable, or feedback receiver circuit is defective.

Replace the pulse coder, feedback cable, or NC-axis board.

#4 (PRM) : An invalid parameter was found. Alarm No.

417

(invalid servo

parameter) is also issued.

(6)

Servo alarms(1/2)

Number

Message

Contents

401

SERVO ALARM: n-TH AXIS VRDY

The n-th axis (axis 1-4) servo amplifier READY signal (DRDY) went off.

OFF

Refer to procedure of trouble shooting.

402

SERVO ALARM: SV CARD NOT EX-

The axis control card is not provided.

IST

403

SERVO ALARM: CARD/SOFT MIS-

The combination of the axis control card and servo software is illegal.

MATCH

The possible causes are as follows:

· A correct axis control card is not provided.

· Correct servo software is not installed on flash memory.

404

SERVO ALARM: n-TH AXIS VRDY

Even though the n-th axis (axis 1-4) READY signal (MCON) went off,

ON

the servo amplifier READY signal (DRDY) is still on. Or, when the power

was turned on, DRDY went on even though MCON was off.

Check that the servo interface module and servo amp are connected.

405

SERVO ALARM: (ZERO POINT RE-

Position control system fault. Due to an NC or servo system fault in the

TURN FAULT)

reference position return, there is the possibility that reference position

return could not be executed correctly. Try again from the manual refer-

ence position return.

547

A. ALARM LIST

APPENDIX

B-64115EN/02

Number

Message

Contents

407

SERVO ALARM: EXCESS ERROR

The following error occurred during simple synchronous control:

The difference in machine coordinates between the synchronized axes

exceeds the value set in parameter No. 8314.

409

SERVO ALARM: n AXIS TORQUE

Abnormal servo motor load has been detected. Alternatively, abnormal

ALM

spindle motor load has been detected in Cs mode.

410

SERVO ALARM: n-TH AXIS - EX-

One of the following errors occurred:

CESS ERROR

1) The positional deviation value when the n-th axis stops exceeds the

value set in parameter No. 1829.

2) In simple synchronous control, the compensation amount for syn-

chronization exceeds the value set in parameter No. 8325.

This alarm is issued only for the slave axis.

411

SERVO ALARM: n-TH AXIS - EX-

The position deviation value when the n-th axis (axis 1-4) moves is

CESS ERROR

larger than the set value.

Refer to procedure of trouble shooting.

413

SERVO ALARM: n-th AXIS - LSI

The contents of the error register for the n-th axis (axis 1-4) exceeded

OVERFLOW

"2³¹ power. This error usually occurs as the result of an improperly set

parameters.

415

SERVO ALARM: n-TH AXIS - EX-

A speed higher than 524288000 units/s was attempted to be set in the

CESS SHIFT

n-th axis (axis 1-4). This error occurs as the result of improperly set

CMR.

417

SERVO ALARM: n-TH AXIS - PA-

This alarm occurs when the n-th axis (axis 1-4) is in one of the condi-

RAMETER INCORRECT

tions listed below. (Digital servo system alarm)

1) The value set in Parameter No. 2020 (motor form) is out of the speci-

fied limit.

2) A proper value (111 or -111) is not set in parameter No.2022 (motor

revolution direction).

3) Illegal data (a value below 0, etc.) was set in parameter No. 2023

(number of speed feedback pulses per motor revolution).

4) Illegal data (a value below 0, etc.) was set in parameter No. 2024

(number of position feedback pulses per motor revolution).

5) Parameters No. 2084 and No. 2085 (flexible field gear rate) have not

been set.

6) A value outside the limit of {1 to the number of control axes} or a non-

continuous value (Parameter 1023 (servo axis number) contains a

value out of the range from 1 to the number of axes, or an isolated

value (for example, 4 not prceded by 3).was set in parameter No.

1023 (servo axisnumber).

7) A torque control parameter is set incorrectly in PMC axis control.

(The torque constant parameter is set to 0.)

420

SERVO ALARM: n AXIS SYNC

During simple synchronous control, the difference between the torque

TORQUE

commands for the master and slave axes exceeded the value set in pa-

(M series)

rameter No. 2031.

421

SERVO ALARM: n AXIS EXCESS

The difference between the errors in the semi-closed loop and closed

ER (D)

loop has become excessive during dual position feedback. Check the

values of the dual position conversion coefficients in parameters No.

2078 and 2079.

422

SERVO ALARM: n AXIS

In torque control of PMC axis control, a specified allowable speed

has been exceeded.

423

SERVO ALARM: n AXIS

In torque control of PMC axis control, the parameter-set allowable

cumulative travel distance has been exceeded.

430

n AXIS : SV. MOTOR OVERHEAT

A servo motor overheat occurred.

548

B-64115EN/02

APPENDIX

A. ALARM LIST

Number

Message

Contents

431

n AXIS : CNV. OVERLOAD

1) PSM: Overheat occurred.

2) β series SVU: Overheat occurred.

432

n AXIS : CNV. LOW VOLT CON-

1) PSM: Control power voltage has dropped.

TROL

2) PSMR: The control power supply voltage has dropped.

3) β series SVU: The control power supply voltage has dropped.

433

n AXIS : CNV. LOW VOLT DC LINK

1) PSM: The DC link voltage has dropped.

2) PSMR: The DC link voltage has dropped.

3) α series SVU: The DC link voltage has dropped.

4) β series SVU: The DC link voltage has dropped.

434

n AXIS : INV. LOW VOLT CONTROL

SVM: The control power supply voltage has dropped.

435

n AXIS : INV. LOW VOLT DC LINK

SVM: The DC link voltage has dropped.

436

n AXIS : SOFTTHERMAL (OVC)

The digital servo software detected the soft thermal state (OVC).

437

n AXIS : CNV. OVERCURRENT

PSM: Overcurrent flowed into the input circuit.

POWER

438

n AXIS : INV. ABNORMAL CUR-

1) SVM: The motor current is too high.

RENT

2) α series SVU: The motor current is too high.

3) β series SVU: The motor current is too high.

439

n AXIS : CNV. OVERVOLT POWER

1) PSM: The DC link voltage is too high.

2) PSMR: The DC link voltage is too high.

3) α series SVU: The C link voltage is too high.

4) β series SVU: The link voltage is too high.

440

n AXIS : CNV. EX DECELERATION

1) PSMR: The regenerative discharge amount is too large.

POW.

2) α series SVU: The regenerative discharge amount is too large. Al-

ternatively, the regenerative discharge circuit is abnormal.

441

n AXIS : ABNORMAL CURRENT

The digital servo software detected an abnormality in the motor cur-

OFFSET

rent detection circuit.

442

n AXIS : CNV. CHARGE FAILURE

1) PSM: The spare discharge circuit of the DC link is abnormal.

2) PSMR: The spare discharge circuit of the DC link is abnormal.

443

n AXIS : CNV. COOLING FAN FAIL-

1) PSM: The internal stirring fan failed.

URE

2) PSMR: The internal stirring fan failed.

3) β series SVU: The internal stirring fan failed.

444

n AXIS : INV. COOLING FAN FAIL-

SVM: The internal stirring fan failed.

URE

445

n AXIS : SOFT DISCONNECT

The digital servo software detected a broken wire in the pulse coder.

ALARM

446

n AXIS : HARD DISCONNECT

A broken wire in the built-in pulse coder was detected by hardware.

ALARM

447

n AXIS : HARD DISCONNECT (EXT)

A broken wire in the separate detector was detected by hardware.

448

n AXIS : UNMATCHED FEEDBACK

The sign of feedback data from the built-in pulse coder differs from

ALARM

that of feedback data from the separate detector.

449

n AXIS : INV. IPM ALARM

1) SVM: IPM (intelligent power module) detected an alarm.

2) α series SVU: IPM (intelligent power module) detected an alarm.

453

n AXIS : SPC SOFT DISCONNECT

Software disconnection alarm of the α pulse coder.

ALARM

Turn off the power to the CNC, then remove and insert the pulse cod-

er cable. If this alarm is issued again, replace the pulse coder.

549

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