FANUC BETA iSV Alarms

Fanuc Beta I Servo Unit Alarms and Error Codes.

These Fanuc Beta I Servo Unit Alarms relate to the A06B-6130 & A06B-6132 Series. Please contact us if you need testing, a repair or an exchange part. For further information please visit our dedicated Fanuc Beta I Servo Unit Page.

Servo Amplifier Module Alarms

Alarm Code LED
 Description of Alarm/Error
Converter: DC link undervoltage ON Voltage drop at the DC link in the main circuit.
Converter: DC link overvoltage ON Voltage rise at the DC link in the main circuit.
Converter: Excessive deceleration power ON Too large or abnormal regenerative discharge amount.
Converter: Control power supply undervoltage ON
  • Drop in external control power supply
  • Connector/cable defective
  • SVM failure
Inverter: Internal cooling fan stopped ON
  • Fan not running
  • Fan motor connector or cable defective
  • SVM failure
Inverter: Internal cooling fan stopped of the radiator ON
  • Fan not running
  • Fan motor connector or cable defective
  • SVM failure
Inverter: IPM alarm ON
  • Short circuit between power lead phases or ground fault in them
  • Short circuit between motor winding phases or ground fault in them
  • SVM failure
Inverter: IPM alarm (OH) ON
  • The motor is being used under a harsh condition
  • The ambient temperature is high
  • SVM failure
Inverter: Motor current alarm ON
  • Short circuit between power lead phases or ground fault in them
  • Short circuit between motor winding phases or ground fault in them
  • Incorrect motor ID setting
  • SVM or motor failure
Inverter: FSSB communication error ON
  • Connector or cable failure
  • SVM or CNC failure

 

Servo Alarm For Series 15i

Alarm Code Description
SV0027 Invalid digital servo parameter setting
SV0361 Pulsecoder phase error ( built in)
SV0364 Soft phase alarm (built in)
SV0365 LED error ( built in)
SV0366 Pulse error (built in)
SV0367 Count error (built in)
SV0368 Serial data error (built in)
SV0369 Data transfer error ( built in)
SV0380 LED error ( separate)
SV0381 Pulsecoder phase error (separate)
SV0382 Count error ( separate)
SV0383 Pulse error (separate)
SV0384 Soft phase alarm (separate)
SV0385  Serial data error (separate)
SV0386 Data transfer error (separate)
SV0387 Sensor error(separate)
SV0421 Excessive semi full error
SV0430 Servo motor overheat
SV0432 Converter: control power supply undervoltage

 
SV0433 Converter: DC Link undervoltage
SV0436 Soft thermal (OVC)
SV0438 Inverter: motor current alarm
SV0439 Converter: DC link overvoltage
SV0440 Converter: Excessive deceleration power
SV0441 Current offset error
SV0444 Inverter: internal cooling fan stopped
SV0445 Soft disconnection alarm
SV0447 Hard disconnection alarm (separate)
SV0448 Feedback mismatch alarm
SV0449 Inverter: IPM alarm
SV0601 Inverter: cooling fan stopped of the radiator
SV0603 Inverter: IPM alarm (OH)

 

Servo Alarm For Series 16i, 18i, 20i, 21i, 0i and Power Mate i. 

Alarm Code Description
361 Pulsecoder phase error ( built in)
364 Soft phase alarm ( built in)
365 LED error ( built in)
366 Pulse error (built in)
367 Count error (built in)
368 Serial data error (built in)
369 Data transfer error ( built in)
380 LED error (separate)
381 Pulsecoder phase error ( separate)
382 Count error ( separate)
383 Pulse error ( separate)
384 Soft phase alarm (separate)
385 Serial data error ( separate)
386 Data transfer error (separate)
387 Sensor error (separate)
417 Invalid parameter
421 Excessive semi full error
430 Servo motor overheat
432 Converter: Control undervoltage
433 Converter: DC link undervoltage
436 Soft thermal (OVC)
438 Inverter: motor current alarm
439 Converter: DC link overvoltage
440 Converter: excessive deceleration power
441 Current offset error
444 Inverter: internal cooling fan stopped
445 Soft disconnection alarm
447 Hard disconnection alarm (a Pulsecoder)
448 Feedback mismatch alarm
449 Inverter : IPM alarm
453 Soft disconnection alarm ( a Pulsecoder)
601 Inverter: cooling fan stopped of the radiator
603 Inverter: IPM alarm (OH)