Fanuc alarm codes
428 alarms documented. Each entry explains the code, likely causes and the replacement part that resolves it.
spindle alarm (serial spindle, alpha i)
- SP9005SSPA:05 CONTROL POWER SUPPLY FUSE BLOWN
- SP9006THERMAL SENSOR DISCONNECT
- SP9007SSPA:07 OVER SPEED
- SP9008SSPA:08 HIGH INPUT VOLTAGE
- SP9009SSPA:09 OVERHEAT MAIN CIRCUIT
- SP9010SSPA:10 LOW INPUT VOLTAGE
- SP9011SSPA:11 DC LINK OVERVOLTAGE
- SP9012SERIAL SPINDLE AL12: DC LINK OVERCURRENT
- SP9013SSPA:13 DATA MEMORY FAULT (CPU)
- SP9014SSPA:14 ROM ALARM
- SP9015SSPA:15 SP SWITCH CONTROL ALARM
- SP9016SERIAL SPINDLE AL16: RAM EXCEPTION
- SP9017SERIAL SPINDLE AL17: ABNORMAL AMPLIFIER ID
- SP9018SERIAL SPINDLE AL18: PROGRAM ROM CHECKSUM ERROR
- SP9019SERIAL SPINDLE AL19: EXCESSIVE U-PHASE CURRENT OFFSET
- SP9020SSPA:20 EX OFFSET CURRENT V (SPM FAULTY)
- SP9021POS SENSOR POLARITY ERROR
- SP9022TSA OFFSET ALARM
- SP9023ER OFFSET ALARM
- SP9024SERIAL TRANSFER DATA ERROR
- SP9025SERIAL TRANSFER STOP
- SP9026DISCONNECT C VELOCITY DETECT
- SP9027PULSECODER DISCONNECTED
- SP9028DISCONNECT C POS DETECT
- SP9029SHORT TIME OVERLOAD
- SP9030OVERCURRENT (PSM FAULTY)
- SP9031MOTOR LOCK OR V-SIG LOST
- SP9032RAM FAULT (SERIAL LSI)
- SP9033SHORTAGE POWER CHARGE (PSM FAULTY)
- SP9034PARAMETER SETTING ERROR
- SP9035EX SETTING GEAR RATIO
- SP9036ERROR COUNTER OVERFLOW
- SP9037SPEED DETECT PAR. ERROR
- SP90391-ROT CS SIGNAL DETECT ERROR
- SP9040NO 1-ROT CS SIGNAL DETECT
- SP90411-ROT POSITION CODER ERROR
- SP9042NO 1-ROT POSITION CODER DETECT
- SP9043PC DISCONNECT IN DIFFERENTIAL SPEED MODE
- SP9044CONTROL CIRCUIT A/D ERROR
- SP9046THREAD CUTTING 1-ROT POSITION CODER ALARM
- SP9047POSITION CODER SIGNAL ABNORMAL
- SP9048POSITION CODER 1-ROT SIGNAL ABNORMAL
- SP9049HIGH CONVERTED DIFFERENTIAL SPEED
- SP9050SPINDLE CONTROL OVER SPEED
- SP9051LOW VOLTAGE DC LINK (PSM FAULTY)
- SP9052ITP SIGNAL ABNORMAL 1
- SP9053ITP SIGNAL ABNORMAL 2
- SP9054CURRENT OVERLOAD
- SP9055ABNORMAL SPINDLE SWITCHING CONTROL
- SP9056INNER COOLING FAN STOP
- SP9057EX DECELERATION POWER
- SP9058OVERLOAD IN PSM (PSM FAULTY)
- SP9059COOLING FAN STOPPED IN PSM
- SP9061EXCESSIVE POSITION ERROR (SEMI-CLOSED/CLOSED LOOP)
- SP9066COMMUNICATION ALARM BETWEEN SPINDLE AND AMPLIFIER
- SP9070CONNECTION CONFIGURATION MISMATCH (DUAL CHECK SAFETY)
- SP9071SAFETY PARAMETER ERROR (SPINDLE AMPLIFIER)
- SP9072SPEED DETECTION RESULT MISMATCH (DUAL CHECK SAFETY)
- SP9073MOTOR SENSOR DISCONNECTED
- SP9074CPU TEST ALARM (SPM)
- SP9075CRC TEST ALARM (SPM)
- SP9076SAFETY FUNCTION NOT EXECUTED
- SP9078SAFETY PARAMETER MISMATCH
- SP9079ABNORMAL INITIAL TEST OPERATION
- SP9081MOTOR SENSOR 1-ROT SIGNAL DETECTION ERROR
- SP9082MOTOR SENSOR 1-ROT SIGNAL NOT DETECTED
- SP9083MOTOR SENSOR SIGNAL ERROR
- SP9084SPINDLE SENSOR DISCONNECTED
- SP9085SPINDLE SENSOR 1-ROT SIGNAL AT WRONG POSITION
- SP9086NO SPINDLE SENSOR 1-ROT SIGNAL
- SP9087SPINDLE SENSOR SIGNAL ABNORMAL
- SP9088COOLING FAN ON RADIATOR STOPPED (SPM FAULTY)
- SP9089SUB MODULE SM (SSM) ERROR
- SP9090UNEXPECTED ROTATION (MAGNETIC POLE DETECTION)
- SP9091POLE POSITION COUNT MISS
- SP9092VELOCITY COMMAND DEPENDENT OVERSPEED
spindle alarm (serial spindle safety monitoring)
αi/βi SVPM
- STATUS1:04 (- on STATUS2)Input power supply open phase (common converter)
- STATUS1:11 (- on STATUS2)Common converter DC link overvoltage
- STATUS1:33 (- on STATUS2)DC link precharge failure (common converter)
- STATUS1:b1 (- on STATUS2)Converter control power supply voltage decrease
- STATUS2:- (flash)Inverter control power supply error (servo unit)
- STATUS2:2Inverter: control power supply undervoltage (servo unit)
- STATUS2:5Inverter: DC link undervoltage (servo unit)
- STATUS2:6Inverter: overheat (servo unit)
- STATUS2:8., 9., A.Inverter IPM alarm L/M/N axis (servo unit)
- STATUS2:FInverter: radiator cooling fan stopped (servo unit)
- STATUS2:LFSSB communication error COP10A (servo unit)
- STATUS2:PCommunication error between amplifier sections (servo unit)
- STATUS2:UFSSB communication error COP10B (servo unit)
- STATUS2:b, c, dInverter motor current alarm L/M/N axis (servo unit)