Series 16/18/160/180-Model C Maintenance Manual, GFZ-62755EN ...

B–62755EN/018.TROUBLESHOOTING8TROUBLESHOOTINGThis chapter describes troubleshooting procedure. If your systememploys FANUC CONTROL MOTOR α series, also refer to its manualslisted in preface of this manual.8.1 CORRECTIVE ACTION FOR FAILURES . . . . . . . . 2978.2 POWER CANNOT BE TURNED ON . . . . . . . . . . . . 2998.3 NO MANUAL OPERATION NOR AUTOMATICOPERATION CAN BE EXECUTED . . . . . . . . . . . . . 3028.4 JOG OPERATION CANNOT BE DONE . . . . . . . . . . 3068.5 HANDLE OPERATION CANNOT BE DONE . . . . . 3108.6 AUTOMATIC OPERATION CANNOT BE DONE . . 3138.7 CYCLE START LED SIGNAL HASTURNED OFF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3218.8 NOTHING IS DISPLAYED ON CRT . . . . . . . . . . . . . 3238.9 ALARM 85 TO 87 (READER/PUNCHERINTERFACEALARM) . . . . . . . . . . . . . . . . . . . . . . . . 3258.10 REFERENCE POSITION DEVIATES . . . . . . . . . . . . 3338.11 ALARM 90 (REFERENCE POSITIONRETURN IS ABNORMAL) . . . . . . . . . . . . . . . . . . . . 3348.12 ALARM 300 (REQUEST FOR REFERENCEPOSITION RETURN) . . . . . . . . . . . . . . . . . . . . . . . . . 3368.13 ALARM 301 TO 305(ABSOLUTE PULSE CODER IS FAULTY) . . . . . . . 3378.14 ALARM 306 TO 308 (ABSOLUTEPULSE CODER BATTERY IS LOW) . . . . . . . . . . . . 3498.15 ALARM 350 (SERIAL PULSECODER IS ABNORMAL) . . . . . . . . . . . . . . . . . . . . . 3428.16 ALARM 351 (SERIAL PULSE CODERCOMMUNICATION IS ABNORMAL) . . . . . . . . . . . 3438.17 ALARM 400 (OVERLOAD) . . . . . . . . . . . . . . . . . . . . 3448.18 ALARM 401 (*DRDY SIGNAL TURNED OFF) . . . 3468.19 ALARM 404 and 405(*DRDY SIGNAL TURNED ON) . . . . . . . . . . . . . . . 3488.20 ALARM 410 (EXCESSIVE POSITION ERRORAMOUNT DURING STOP) . . . . . . . . . . . . . . . . . . . . 3498.21 ALARM 411 (EXCESSIVE POSITION ERRORDURING MOVE) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3508.22 ALARM 414 (DIGITAL SERVO SYSTEM ISABNORMAL) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3528.23 ALARM 416 (DISCONNECTION ALARM) . . . . . . . 3648.24 ALARM 417 (DIGITAL SERVO SYSTEM ISABNORMAL) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3658.25 ALARM 700 (OVERHEAT AT CONTROL SIDE) . . 3668.26 ALARM 704 (SPINDLE SPEED FLUCTUATIONDETECTION ALARM) . . . . . . . . . . . . . . . . . . . . . . . 367295