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STEP-BY-STEP PROCEDURE 1 SET IN SELF-DIAGNOSTIC MODE 1. Turn ignition switch ON. switch for at least 5 seconds. E GO TO 2. 2 STEP 1 - ALL LEDs AND DISPLAY SCREEN ARE CHECKED When switch’s LED and display are functioning properly in STEP-1, LED and display will come on. RHA860H OK or NG OK E GO TO 3. NG E Malfunctioning switch, LED or fluorescent display tube. Go to “Main Power Supply and Ground Circuit Check”, HA-86. 3 VERIFY ADVANCE TO SELF-DIAGNOSIS STEP 2 1. Turn temperature dial clockwise. Yes or No Yes E GO TO 4. No E Malfunctioning temperature dial. 4 VERIFY RETURN TO SELF-DIAGNOSIS STEP 1 1. Turn temperature dial counterclockwise. Yes or No Yes E GO TO 5. No E Malfunctioning temperature dial. GI MA EM LC EC FE AT PD FA RA BR ST RS BT EL IDX TROUBLE DIAGNOSES Self-diagnosis (Cont’d) HA-45 |