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FANUC Series 30i/300i/300is-MODEL A. Machining Center System. User's manual - page 301

H.ALARM LIST

APPENDIX

B-63944EN/03

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Number Message

Description

SV0422

EXCESS VELOCITY IN TORQUE

In torque control, the commanded permissible velocity was
exceeded.

SV0423

EXCESS ERROR IN TORQUE

In torque control, the total permissible move value specified
as a parameter was exceeded.

SV0430

SV MOTOR OVERHEAT

The servo motor has overheated.

SV0431

CNV. OVERLOAD

PSM : Overheat

series SVU : Overheat

SV0432

CNV. LOW VOLT CONTROL

PSM : The control power supply voltage has dropped.
PSMR : The control power supply voltage has dropped.

series SVU : The control power supply voltage has

dropped.

SV0433

CNV. LOW VOLT DC LINK

PSM : Low DC link voltage
PSMR : Low DC link voltage

series SVU : Low DC link voltage

SV0434

INV. LOW VOLT CONTROL

SVM : Low control power voltage

SV0435

INV. LOW VOLT DC LINK

SVM : Low DC link voltage

SV0436

SOFTTHERMAL(OVC)

The digital servo software detected a software thermal
(OVC).

SV0437

CNV. OVERCURRENT POWER

PSM : Overcurrent on input circuit section.

SV0438

INV. ABNORMAL CURRENT

SVM : Motor overcurrent

series SVU : Motor overcurrent

SV0439

CNV. OVER VOLT DC LINK

PSM : The DC link voltage is too high.
PSMR : The DC link voltage is too high.

series SVU : The DC link voltage is too high.

SV0440

CNV. EX DECELERATION POW.

PSMR : Excessive generative discharge

series SVU : Excessive generative discharge, or abnormal

error in generative power circuit

SV0441

ABNORMAL CURRENT OFFSET

The digital servo software detected an abnormality in the
motor current detection circuit.

SV0442

CNV. CHARGE FAILURE

PSM : The spare charge circuit for the DC link is abnormal.
PSMR : The spare charge circuit for the DC link is abnormal.

SV0443

CNV. COOLING FAN FAILURE

PSM : Internal cooling fan failure.
PSMR : Internal cooling fan failure.

series SVU : Internal cooling fan failure.

SV0444

INV. COOLING FAN FAILURE

SVM : Internal cooling fan failure.

SV0445

SOFT DISCONNECT ALARM

The digital servo software detected a disconnected
Pulsecoder.

SV0446

HARD DISCONNECT ALARM

The hardware detected a disconnected built–in Pulsecoder.

SV0447

HARD DISCONNECT(EXT)

The hardware detected a disconnected separate detector.

SV0448

UNMATCHED FEEDBACK ALARM

The sign of the feedback signal from the standalone detector
is opposite to that from the feedback signal from the built–on
Pulsecoder.

SV0449

INV. IPM ALARM

SVM : The IPM (Intelligent Power Module) detected an alarm.

series SVU : The IPM (Intelligent Power Module) detected

an alarm.

SV0453

SPC SOFT DISCONNECT ALARM

Software disconnection alarm of the

Pulsecoder.

Turn off the power to the CNC, then remove and insert the
Pulsecoder cable. If this alarm is issued again, replace the
Pulsecoder.

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APPENDIX

H.ALARM LIST

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Number Message

Description

SV0454

ILLEGAL ROTOR POS DETECT

The magnetic pole detection function terminated abnormally.
The magnetic pole could not be detected because the motor
did not run.

SV0456

ILLEGAL CURRENT LOOP

An attempt was made to set the current loop that could not
be set.
The amplifier pulse module in use does not comply with
HIGH SPEED HRV. Or, requirements to control are not
satisfied in the system.

SV0458

CURRENT LOOP ERROR

The specified current loop differs from the actual current
loop.

SV0459

HI HRV SETTING ERROR

For two axes whose servo axis numbers (parameter No.
1023) are consecutively even and odd numbers, HIGH
SPEED HRV control is possible for one axis and impossible
for the other.

SV0460

FSSB DISCONNECT

The FSSB connection was discontinued.
Probable causes are:
1. The FSSB connection cable was disconnected or broken.
2. The amplifier was turned off .
3. In the amplifier, the low-voltage alarm occurred.

SV0462

SEND CNC DATA FAILED

The correct data could not be received on a slave side
because of the FSSB communication error.

SV0463

SEND SLAVE DATA FAILED

The correct data could not be received in the servo software
because of the FSSB communication error.

SV0465

READ ID DATA FAILED

A read of the ID information for the amplifier has failed at
power-on.

SV0466

MOTOR/AMP. COMBINATION

The maximum current of an amplifier is different to that of a
motor.
Probable causes are:
1. The connection command for an amplifier is incorrect.
2. The parameter (No.2165) setting is incorrect

SV0468

HI HRV SETTING ERROR(AMP)

An attempt was made to set up HIGH SPEED HRV control
for use when the controlled axis of an amplifier for which
HIGH SPEED HRV control could not be used.

SV0474

EXCESS ERROR(STOP:SV )

The servo detected that the positional deviation during a stop
exceeded the setting (parameters No. 1839 and No. 1842) in
the n-axis.

SV0475

EXCESS ERROR(MOVE:SV)

The servo detected that the positional deviation during a
travel exceeded the setting (parameters No. 1838 and No.
1841) in the n-axis.

SV0476

ILLEGAL SPEED CMD.(SV )

The servo detected that the speed command exceeded the
safety speed (parameters No. 13821 to No. 13824 (during
position control) or parameters No. 13826 to No. 13829
(during speed control)) during safety monitoring (when safety
monitoring request signal *VLDVx is 0) in the n-axis. Keep
the safety speed.

SV0477

ILLEGAL MACHINE POS.(SV)

The servo detected that the machine position fell outside the
safety area (setting by parameters No. 13831 to No. 13838)
during safety monitoring (when safety monitoring request
signal *VLDVx is 0) in the n-axis. Keep the safety area.
A machine position check is performed only on the axis for
which the reference position has been established. The
axis for which the reference position is not established is not
subjected to a machine position check.

H.ALARM LIST

APPENDIX

B-63944EN/03

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Number Message

Description

SV0478

ILLEGAL AXIS DATA(SV)

The servo detected that an error occurred during transfer of
axis data in the n-axis.
When an alarm occurred because the configuration of the
servo amplifier was changed, set the axis number for the
servo amplifier (set bit 4 of parameter No. 2212 of the
corresponding axis to 1 and then 0 and turn off the power of
the entire system). When using a multiaxis amplifier, this
operation may not clear the alarm. In this case, repeat this
operation for the axes on which the alarm persists.
If an alarm occurs due to a cause other than the above,
replace the servo amplifier.

SV0481

SAFETY PARAM ERROR(SV)

The servo detected that a safety parameter error occurred in
the n-axis.

SV0484

SAFETY FUNCTION ERROR(SV)

A safety function error related to the servo was detected in
the n-axis.
- The servo or CNC detected that the safety function was not

executed in the servo.

- The result of a servo safety function check did not match

the result of a CNC safety function check.

- An error occurred during a test of the CPU of the servo.
- An error occurred during a check of RAM of the servo.

SV0488

SELF TEST OVER TIME

An MCC interruption test was not complete within the set
period of time (parameter No. 1946). Check the MCC
contact.

SV0489

SAFETY PARAM ERROR(CNC)

The CNC detected that a safety parameter error occurred in
the n-axis.

SV0490

SAFETY FUNCTION ERROR(CNC)

A CNC safety function error occurred in the n-axis.
- The servo detected that the safety function was not

executed in the CNC.

- The result of a servo safety function check did not match

the result of a CNC safety function check.

SV0494

ILLEGAL SPEED CMD.(CNC)

The CNC detected that the speed command exceeded the
safety speed (parameters No. 13821 to No. 13824 (during
position control) or parameters No. 13826 to No. 13829
(during speed control)) during safety monitoring (when safety
monitoring request signal *VLDVx is 0) in the n-axis. Keep
the safety speed.

SV0495

ILLEGAL MACHINE POS.(CNC)

The CNC detected that the machine position fell outside the
safety area (set range by parameters No. 13831 to No.
13838) during safety monitoring (when safety monitoring
request signal *VLDVx is 0) in the n-axis. Keep the safety
area.
A machine position check is performed only on the axis for
which the reference position has been established.

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APPENDIX

H.ALARM LIST

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Number Message

Description

SV0496

ILLEGAL AXIS DATA(CNC)

The CNC detected that an error occurred during transfer to
axis data.
When an alarm occurred because the configuration of the
servo amplifier was changed, set the axis number for the
servo amplifier (set bit 4 of parameter No. 2212 of the
corresponding axis to 1 and 0 again and turn off the power of
the entire system). When using a multiaxis amplifier, this
operation may not clear the alarm. In this case, repeat this
operation for the axes on which the alarm persists.
If an alarm occurs due to a cause other than the above,
replace the servo amplifier.

SV0498

AXIS NUMBER NOT SET(CNC)

The CNC detected that the axis number of the n-axis was not
set for the servo amplifier. The axis number is set
automatically, so turn off the power of the entire system.

SV0600

INV. DC LINK OVER CURRENT

SVM : DC link overcurrent.

SVU : DC link overcurrent.

SV0601

INV. RADIATOR FAN FAILURE

SVM : Radiator cooling fan failure.

SVU : Radiator cooling fan failure.

SV0602

INV. OVERHEAT

SVM : The servo motor has overheated.

SV0603

INV. IPM ALARM(OH)

SVM : The IPM (Intelligent Power Module) detected an

overheat alarm.

SVU : The IPM (Intelligent Power Module) detected an

overheat alarm.

SV0604

AMP. COMMUNICATION ERROR

The communication between SVM and PSM is in error.

SV0605

CNV. EX. DISCHARGE POW.

PSMR : The motor regenerative power is too much.

SV0606

CNV. RADIATOR FAN FAILURE

PSM : External radiator cooling fan failure.
PSMR : External radiator cooling fan failure.

SV0607

CNV. SINGLE PHASE FAILURE

PSM : The input power supply has a missing phase.
PSMR : The input power supply has a missing phase.

SV0646

ABNORMAL ANALOG SIGNAL(EXT)

An error occurred in the analog 1Vp-p output of the separate
detector. The separate detector, cable, or separate detector
interface unit may be failed.

SV1025

V_READY ON (INITIALIZING )

The ready signal (VRDY) of the velocity control which should
be OFF is ON while the servo control is ON.

SV1026

ILLEGAL AXIS ARRANGE

The parameter for servo axis arrange is not set correctly.
A negative value, duplicate value, or greater value than the
number of control axes was set to the parameter No. 1023
"The servo axis number of each axis."

SV1055

ILLEGAL TANDEM AXIS

In tandem control, the setting of the parameter No. 1023 is
incorrect.

SV1056

ILLEGAL TANDEM PAIR

In tandem control, the setting of the parameter TDM
(No.1817#6) is incorrect.

SV1067 FSSB:CONFIGURATION

ERROR(SOFT)

An FSSB configuration error occurred (detected by software).
The connected amplifier type is incompatible with the FSSB
setting value.

SV1068

DUAL CHECK SAFETY ALARM

An alarm that turns off the MCC of the entire system
occurred in the Dual Check Safety function.

SV1069

EXCESS ERROR(SERVO OFF:CNC)

The CNC detected that the positional deviation during
servo-off exceeded the set value (parameter No. 1840) in the
n-axis.

SV1070

EXCESS ERROR(SERVO OFF:SV)

The servo detected that the positional deviation during
servo-off exceeded the set value (parameter No. 1840) in the
n-axis.

H.ALARM LIST

APPENDIX

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Number Message

Description

SV1071 EXCESS

ERROR(MOVE:CNC)

The CNC detected that the positional deviation during a
travel exceeded the set value (parameters No. 1838 and No.
1841) in the n-axis.

SV1072 EXCESS

ERROR(STOP:CNC)

The CNC detected that the positional deviation during a stop
exceeded the set value (parameters No. 1839 and No. 1842)
in the n-axis.

SV1100

S-COMP. VALUE OVERFLOW

The amount of compensation for the straightness exceeded
a maximum value of 32767.

SV5134

FSSB:OPEN READY TIME OUT

In the initialization, the FSSB could not be in an open ready
sate. The axis card is thought to be defective.

SV5136

FSSB:NUMBER OF AMP. IS
INSUFFICIENT

The number of amplifier identified by the FSSB is insufficient
than the number of control axes. Or, the setting of the
number of axes or the amplifier connection is in error.

SV5137

FSSB:CONFIGURATION ERROR

An FSSB configuration error occurred.
The connecting amplifier type is incompatible with the FSSB
setting value.

SV5139 FSSB:ERROR

Servo

initialization has not completed successfully. It is

probable that an optical cable failed or a connection between
the amplifier and another module failed.

SV5197

FSSB:OPEN TIME OUT

The initialization of the FSSB was completed, but it could not
be opened. Or, the connection between the CNC and the
amplifier in is incorrect.

SV5197

FSSB:OPEN TIME OUT

The FSSB could not be opened although the CNC permitted
the opening of the FSSB.
Check the connection between the CNC and the amplifier.

SV5311

FSSB:ILLEGAL CONNECTION

1. This alarm is issued if axes, whose servo axis numbers

(parameter No. 1023) are even and odd numbers, are
allocated to the amplifiers connected to the FSSBs of
different paths.

2. This alarm is issued if an attempt is made to set up for

use of the pulse modules connected to the FSSBs of
different paths. And the system did not satisfy the
requirements for performing HIGH SPEED HRV control.

(6) Overtravel alarms (OT alarm)

Number Message

Description

OT0500

+ OVERTRAVEL ( SOFT 1 )

Exceeded the positive side stored stroke check 1.

OT0501

- OVERTRAVEL ( SOFT 1 )

Exceeded the negative side stored stroke check 1.

OT0502

+ OVERTRAVEL ( SOFT 2 )

Exceeded the positive side stored stroke check 2. Or, in the
chuck tail stock barrier, an entry to the inhibited area was
made during movement in the positive direction.

OT0503

- OVERTRAVEL ( SOFT 2 )

Exceeded the negative side stored stroke check 2. Or, in the
chuck tail stock barrier, an entry to the inhibited area was
made during movement in the negative direction.

OT0504

+ OVERTRAVEL ( SOFT 3 )

Exceeded the positive side stored stroke check 3.

OT0505

- OVERTRAVEL ( SOFT 3 )

Exceeded the - side stored stroke check 3.

OT0506

+ OVERTRAVEL ( HARD )

The stroke limit switch in the positive direction was triggered.
This alarm is generated when the machine reaches the
stroke end.
When this alarm is not generated, feed of all axes is stopped
during automatic operation.
During manual operation, only the feed of the axis on which
the alarm occurred is stopped.

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APPENDIX

H.ALARM LIST

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Number Message

Description

OT0507

- OVERTRAVEL ( HARD )

The stroke limit switch in the negative direction was
triggered.
This alarm is generated when the machine reaches the
stroke end.
When this alarm is not generated, feed of all axes is stopped
during automatic operation.
During manual operation, only the feed of the axis on which
the alarm occurred is stopped.

OT0508

INTERFERENCE:+

A tool moving in the positive direction along the n axis has
fouled another tool post.

OT0509

INTERFERENCE:-

A tool moving in the negative direction along the n axis has
fouled another tool post.

OT0510

+ OVERTRAVEL ( PRE-CHECK )

The tool exceeded the limit in the negative direction during
the stroke check before movement.

OT0511

- OVERTRAVEL ( PRE-CHECK )

The tool exceeded the limit in the positive direction during the
stroke check before movement.

OT0514

(n) INTERFERENCE:+

An interference occurred on the plus side of the n-axis in a
rotation area interference check.

OT0515

(n) INTERFERENCE:-

An interference occurred on the minus side of the n-axis in a
rotation area interference check.

OT1710

ILLEGAL ACC. PARAMETER
(OPTIMUM TORQUE ACC/DEC)

The permissible acceleration parameter for the optimum
torque acceleration/deceleration is in error. A possible cause
is either of the following:
(1) The ratio of a negative acceleration to a positive

acceleration is not more than the limit value.

(2) The time to reduce to a velocity of 0 exceeded the

maximum time.

(7) Memory file alarms (IO alarm)

Number Message

Description

IO1001

FILE ACCESS ERROR

The resident–type file system could not be accessed as an
error occurred in the resident–type file system.

IO1002

FILE SYSTEM ERROR

The file could not be accessed as an error occurred in the
CNC file system.

IO1030

CHECK SUM ERROR

The checksum of the CNC part program storage memory is
incorrect.

IO1032

MEMORY ACCESS OVER RANGE

Accessing of data occurred outside the CNC part program
storage memory range.

IO1104

OVER MAXIMUM TOOL LIFE PAIRS

The maximum number of tool life management pairs is
exceeded. Modify the setting of the maximum number of tool
life management pairs in parameter No. 6813.

(8) Alarms requiring power to be turned off (PW alarm)

Number Message

Description

PW0000 POWER MUST BE OFF

A parameter was set for which the power must be turned
OFF then ON again.

PW0001 X-ADDRESS(*DEC) IS NOT ASSIGNED.

The X address of the PMC could not be assigned correctly.
This alarm may occur in the following case:
- During the setting of parameter No. 3013, the X address

could not be assigned correctly for the deceleration dog
(*DEC) for a return to the reference position.

H.ALARM LIST

APPENDIX

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Number Message

Description

PW0002 PMC address is not correct(AXIS).

The address to assign the axis signal is incorrect.
This alarm may occur in the following case:
- The parameter No.3021 setting is incorrect.

PW0003 PMC address is not correct(SPINDLE).

The address to assign the spindle signal is incorrect.
This alarm may occur in the following case:
- The parameter No.3022 setting is incorrect.

PW0004 SETTING THE LOADER SYSTEM PATH

IS NOT CORRECT.

The loader system could not be assigned correctly.
The parameter No. 984 setting is incorrect.
- The number of loader systems and the number of systems

specified to the loader system in the parameter No.
984#0(LCP) does not match.

- The parameter No. 984#0 of the system 1 is set to 1.

PW0006 POWER MUST BE OFF (ILL-EXEC-CHK)

The malfunction prevention function detected an alarm to
require the power off.

PW0007 X-ADDRESS(SKIP) IS NOT ASSIGNED

The X address of PMC could not be assigned correctly.
Possible causes are:
- During the set of parameter No. 3012, the skip signal of the

X address was not assigned correctly.

- During the set of parameter No. 3019, the address other

than the skip signal of the X address was not assigned
correctly.

PW0008 CPU SELF TEST ERROR(DCS PMC)

On the DCS PMC side:
-  An error was detected by the CPU self diagnosis function.
-  An error was detected by the RAM check function.

PW0009 CPU SELF TEST ERROR(PMC)

On the PMC side:
- An error was detected by the CPU self diagnosis function.
- An error was detected by the RAM check function.

PW0010 SAFE I/O CROSS CHECK ERROR(DCS

PMC)

On the DCS PMC side, an error was detected by the I/O
cross check function in system-defined safety-related DI/DO.

PW0011 SAFE I/O CROSS CHECK ERROR(PMC)

On the PMC side, an error was detected by the I/O cross
check function in system-defined safety-related DI/DO.

PW0012 USER I/O CROSS CHECK ERROR(DCS

PMC)

On the DCS PMC side, an error was detected by the I/O
cross check function in user-defined safety-related DI/DO.

PW0013 USER I/O CROSS CHECK

ERROR(PMC)

On the PMC side, an error was detected by the I/O cross
check function in user-defined safety-related DI/DO.

PW0014 CPU TEST ALARM (CNC)

An error occurred in a test of the CPU of the CNC.

PW0015 SAFETY PARAM ERROR

The CNC detected that an error occurred in a safety
parameter for other than servo axes or spindle axes.

PW0016 RAM CHECK ERROR

An error was detected in a RAM check of the CNC.

PW0017 INEXECUTION OF SAFETY

FUNCTIONS

The safety function was not executed normally in the CNC.

PW0018 CRC CHECK ERROR

An error was detected in a CRC check of the CNC.

B-63944EN/03

APPENDIX

H.ALARM LIST

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Number Message

Description

PW1102 ILLEGAL PARAMETER (I-COMP.)

The parameter for setting slope compensation is incorrect.
This alarm occurs in the following cases:
- When the number of pitch error compensation points on the

axis on which slope compensation is executed exceeds
128 between the most negative side and most positive side

- When the size relationship between the slope

compensation point Nos. is incorrect

- When the slope compensation point is not located between

the most negative side and most positive side of pitch error
compensation

- When the compensation per compensation point is too

small or too great.

PW1103 ILLEGAL PARAMETER (S-COMP.128)

The parameter for setting 128 straightness compensation
points or the parameter compensation data is incorrect,

PW5046 ILLEGAL PARAMETER (S-COMP.)

The parameter for setting straightness compensation is
incorrect.

PW5390 R-ADDRESS SETTING IS ILLEGAL

The start address or the set range of the PMC R addresses
set by parameters No.13541 and No.13542 is invalid.

(9) Spindle alarms (SP alarm)

Number Message

Description

SP0740

RIGID TAP ALARM : EXCESS ERROR

The positional deviation of the stopped spindle has exceeded
the set value during rigid tapping.

SP0741

RIGID TAP ALARM : EXCESS ERROR

The positional deviation of the moving spindle has exceeded
the set value during rigid tapping.

SP0742

RIGID TAP ALARM : LSI OVERFLOW

An LSI overflow has occurred for the spindle during rigid
tapping.

SP0752

SPINDLE MODE CHANGE ERROR

This alarm is generated if the system does not properly
terminate a mode change. The modes include the Cs contour
control, spindle positioning, rigid tapping, and spindle control
modes. The alarm is activated if the spindle control unit does
not respond correctly to the mode change command issued
by the NC.

SP0754

ABNORMAL TORQUE

An abnormal load was detected in a spindle motor.
The alarm can be canceled by RESET.

SP0755

SAFETY FUNCTION ERROR

The CNC CPU detected that the safely function of the n-th
spindle was not executed. Alternatively, the result of a CNC
safety function check did not match the result of a spindle
safety function check.

SP0756

ILLEGAL AXIS DATA

The CNC CPU detected that the connection state and the
hardware setting of the spindle amplifier were incompatible
on the n-th spindle. If an alarm occurs because of the
configuration change of the spindle amplifier , set the spindle
amplifier correctly.

SP0757

SAFETY SPEED OVER

The CNC CPU detected that during safety monitoring (when
safety monitoring request signal *VLDPs is 0), the spindle
motor speed was greater than the safety speed (parameter
No. 4372, 4438, 4440, or 4442) on the n-th spindle. Operate
within the safety speed.

SP1202

SPINDLE SELECT ERROR

In a multi spindle control, the spindle number other than the
valid spindle number was selected by a position coder select
signal. An attempt was made to select the spindle number of
the system having no valid spindle.

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