Danfoss VACON 100X Drive

Danfoss VACON 100X Drive Fault Codes:

Fault Code, ID and MeaningCause and Remedy
F1 (ID: 1, 2)

Overcurrent
Cause:

AC drive has detected too high a current (>4*IH) in the motor cable:

  • sudden heavy load increase

  • short circuit in motor cables

  • unsuitable motor




Remedy:


  • Check loading.

  • Check motor.

  • Check cables and connections.

  • Make identification run.

  • Check ramp times.
F2 (ID: 10, 11)

Overvoltage
Cause:

The DC-link voltage has exceeded the limits defined.

  • too short a deceleration time

  • brake chopper is disabled

  • high overvoltage spikes in supply

  • Start/Stop sequence too fast




Remedy:


  • Make deceleration time longer.

  • Use brake chopper or brake resistor (available as options).

  • Activate overvoltage controller.

  • Check input voltage.
F3 (ID: 20, 21)

Earth fault
Cause:

Current measurement has detected that the sum of motor phase current is not zero.

  • insulation failure in cables or motor




Remedy:

Check motor cables and motor.
F5 (ID: 40)

Charging switch
Cause:

The charging switch is open, when the START command has been given.

  • faulty operation

  • component failure




Remedy:

Reset the fault and restart. Should the fault re-occur, contact the distributor near to you.
F7 (ID: 60)

Saturation
Cause:

Various causes:

  • defective component

  • brake resistor short-circuit or overload




Remedy:

Cannot be reset from keypad. Switch off power. DO NOT RE-CONNECT POWER! Contact factory. If this fault appears simultaneously with F1, check motor cables and motor.
F8 (ID: 600)

System fault
Cause:

Communication between control board and power unit has failed.



Remedy:

Reset the fault and restart. Should the fault re-occur, contact the distributor near to you.
F8 (ID: 601)

System fault
Cause:

Communication between control board and power unit has interference, but it is still working.



Remedy:

Reset the fault and restart. Should the fault re-occur, contact the distributor near to you.
F8 (ID: 602)

System fault
Cause:

Watchdog has reset the CPU.



Remedy:

Reset the fault and restart. Should the fault re-occur, contact the distributor near to you.
F8 (ID: 603)

System fault
Cause:

Voltage of auxiliary power in power unit is too low.



Remedy:

Reset the fault and restart. Should the fault re-occur, contact the distributor near to you.
F8 (ID: 604)

System fault
Cause:

Phase fault: Voltage of an output phase does not follow the reference.



Remedy:

Reset the fault and restart. Should the fault re-occur, contact the distributor near to you.
F8 (ID: 605)

System fault
Cause:

CPLD has faulted but there is no detailed information about the fault.



Remedy:

Reset the fault and restart. Should the fault re-occur, contact the distributor near to you.
F8 (ID: 606)

System fault
Cause:

Control and power unit software are incompatible.



Remedy:

Update software. Should the fault re-occur, contact the distributor near to you.
F8 (ID: 607)

System fault
Cause:

Software version cannot be read. There is no software in power unit.



Remedy:

Update power unit software. Should the fault re-occur, contact the distributor near to you.
F8 (ID: 608)

System fault
Cause:

CPU overload. Some part of the software (for example application) has caused an overload situation. The source of fault has been suspended.



Remedy:

Reset the fault and restart. Should the fault re-occur, contact the distributor near to you.
F8 (ID: 609)

System fault
Cause:

Memory access has failed. For example, retain variables could not be restored.



Remedy:

Reset the fault and restart. Should the fault re-occur, contact the distributor near to you.
F8 (ID: 610)

System fault
Cause:

Necessary device properties cannot be read.



Remedy:

Reset the fault and restart. Should the fault re-occur, contact the distributor near to you.
F8 (ID: 614)

System fault
Cause:

Configuration error.



Remedy:

Reset the fault and restart. Should the fault re-occur, contact the distributor near to you.
F8 (ID: 647)

System fault
Cause:

Software error.



Remedy:

Reset the fault and restart. Should the fault re-occur, contact the distributor near to you.
F8 (ID: 648)

System fault
Cause:

Invalid function block used in application. System software and application are not compatible.



Remedy:

Update software. Should the fault re-occur, contact the distributor near to you.
F8 (ID: 649)

System fault
Cause:

Resource overload. Error when loading parameter initial values. Error when restoring parameters. Error when saving parameters.



Remedy:

Update software. Should the fault re-occur, contact the distributor near to you.
F9 (ID: 80, 81)

Undervoltage
Cause:

DC-link voltage is under the voltage limits defined.

  • most probable cause: too low a supply voltage

  • AC drive internal fault

  • defect input fuse

  • external charge switch not closed



NOTE! This fault is activated only if the drive is in Run state.



Remedy:

In case of temporary supply voltage break reset the fault and restart the AC drive. Check the supply voltage. If it is adequate, an internal failure has occurred. Contact the distributor near to you.
F10 (ID: 91)

Input phase
Cause:

Input line phase is missing.



Remedy:

Check supply voltage, fuses and cable.
F11 (ID: 100)

Output phase supervision
Cause:

Current measurement has detected that there is no current in one motor phase.



Remedy:

Check motor cable and motor.
F12 (ID: 110)

Brake chopper supervision
Cause:

No brake resistor installed. Brake resistor is broken. Brake chopper failure.



Remedy:

Check brake resistor and cabling. If these are ok, the chopper is faulty. Contact the distributor near to you.
F12 (ID: 111)

Brake chopper saturation alarm
Cause:

Brake chopper failure.



Remedy:

Check brake resistor and cabling. If these are ok, the chopper is faulty. Contact the distributor near to you.
F13 (ID: 120)

AC drive undertemperature
Cause:

Too low temperature measured in power unit’s heatsink or board. Heatsink temperature is under -10°C.



Remedy:

Check the ambient temperature.
F14 (ID: 130, 131, 132, 133)

AC drive overtemperature
Cause:

Too high temperature measured in power unit’s heatsink or board. Heatsink temperature is over 100°C.



Remedy:


  • Check the correct amount and flow of cooling air.

  • Check the heatsink for dust.

  • Check the ambient temperature.

  • Make sure that the switching frequency is not too high in relation to ambient temperature and motor load.
F15 (ID: 140)

Motor stalled
Cause:

Motor is stalled.



Remedy:

Check motor and load.
F16 (ID: 150)

Motor overtemperature
Cause:

Motor is overloaded.



Remedy:

Decrease motor load. If no motor overload exists, check the temperature model parameters.
F17 (ID: 160)

Motor underload
Cause:

Motor is underloaded.



Remedy:

Check load.
F19 (ID: 180, 181)

Power overload
Cause:

Drive power is too high.



Remedy:

Decrease load.
F25 (ID: 240)

Motor control fault
Cause:

Start angle identification has failed.



Remedy:

Reset the fault and restart. Should the fault re-occur, contact the distributor near to you.
F25 (ID: 241)

Motor control fault
Cause:

Generic motor control fault.



Remedy:

Reset the fault and restart. Should the fault re-occur, contact the distributor near to you.
F30 (ID: 290)

STO fault
Cause:

Safe OFF signal A does not allow AC drive to be set to READY state.



Remedy:

Reset the fault and restart. Should the fault re-occur, contact the distributor near to you.
F30 (ID: 291)

STO fault
Cause:

Safe OFF signal B does not allow AC drive to be set to READY state.



Remedy:

Reset the fault and restart. Should the fault re-occur, contact the distributor near to you.
F32 (ID: 312)

Fan cooling
Cause:

Fan life time is up.



Remedy:

Change fan and reset fan life time counter.
F33 (ID: 320)

Fire mode enabled
Cause:

Fire mode of the drive is enabled. The drive’s protections are not in use.



Remedy:

Check the parameter settings.
F37 (ID: 360)

Device changed (same type)
Cause:

Option board changed for one previously inserted in the same slot. The board’s parameter settings are saved.



Remedy:

Device is ready for use. Old parameter settings will be used.
F38 (ID: 370)

Device changed (same type)
Cause:

Option board added. The option board was previously inserted in the same slot. The board’s parameter settings are saved.



Remedy:

Device is ready for use. Old parameter settings will be used.
F39 (ID: 380)

Device removed
Cause:

Option board removed from slot.



Remedy:

Device no longer available.
F40 (ID: 390)

Device unknown
Cause:

Unknown device connected (power unit/option board).



Remedy:

Device no longer available.
F41 (ID: 400)

IGBT temperature
Cause:

IGBT temperature (unit temperature + I2T) is too high.



Remedy:


  • Check loading.

  • Check motor size.

  • Make identification run.
F44 (ID: 430)

Device changed (different type)
Cause:

Option board changed or Power unit changed. No parameter settings are saved.



Remedy:

Set the option board parameters again if option board was changed. Set converter parameters again if power unit was changed.
F45 (ID: 440)

Device changed (different type)
Cause:

Option board added. The option board was not previously present in the same slot. No parameter settings are saved.



Remedy:

Set the option board parameters again.
F51 (ID: 1051)

External Fault
Cause:

Fault activated by digital input.



Remedy:

Check the digital input or the device connected to it. Check the parameter settings.
F52 (ID: 1052, 1352)

Keypad communication fault
Cause:

The connection between the control keypad and frequency converter is broken.



Remedy:

Check keypad connection and possible keypad cable.
F53 (ID: 1053)

Fieldbus communication fault
Cause:

The data connection between the fieldbus master and fieldbus board is broken.



Remedy:

Check installation and fieldbus master.
F54 (ID: 1654, 1754)

Slot D/E fault
Cause:

Defective option board or slot.



Remedy:

Check board and slot.
F65 (ID: 1065)

PC communication fault
Cause:

The data connection between the PC and frequency converter is broken.



Remedy:

Check PC-drive cable.
F66 (ID: 1066)

Thermistor fault
Cause:

The thermistor input has detected an increase of motor temperature.



Remedy:

Check motor cooling and load. Check thermistor connection (If thermistor input is not in use it has to be short circuited).
F68 (ID: 1301)

Maintenance counter 1 alarm
Cause:

Maintenance counter has reached the alarm limit. It’s a characteristic fault of the HVAC Application.



Remedy:

Carry out the needed maintenance and reset counter.
F68 (ID: 1302)

Maintenance counter 2 alarm
Cause:

Maintenance counter has reached the alarm limit. It’s a characteristic fault of the HVAC Application.



Remedy:

Carry out the needed maintenance and reset counter.
F68 (ID: 1303)

Maintenance counter 3 alarm
Cause:

Maintenance counter has reached the alarm limit. It’s a characteristic fault of the HVAC Application.



Remedy:

Carry out the needed maintenance and reset counter.
F68 (ID: 1304)

Maintenance counter 4 alarm
Cause:

Maintenance counter has reached the alarm limit. It’s a characteristic fault of the HVAC Application.



Remedy:

Carry out the needed maintenance and reset counter.
F69 (ID: 1310)

Fieldbus mapping error
Cause:

Non-existing ID number is used for mapping values to Fieldbus Process Data Out.



Remedy:

Check parameters in Fieldbus Data Mapping menu.
F69 (ID: 1311)

Fieldbus mapping error
Cause:

Not possible to convert one or more values for Fieldbus Process Data Out.



Remedy:

The value being mapped may be of undefined type. Check parameters in Fieldbus Data Mapping menu.
F69 (ID: 1312)

Fieldbus mapping error
Cause:

Overflow when mapping and converting values for Fieldbus Process Data Out (16-bit).



Remedy:

The value being mapped may be too large.
F100 (ID: 1100)

Soft fill timeout
Cause:

The Soft fill function in the PID controller has timed out. The wanted process value was not achieved within time. It’s a characteristic fault of the HVAC Application.



Remedy:

Reason might be a pipe burst.
F101 (ID: 1101)

Process supervision fault (PID1)
Cause:

PID controller: Feedback value outside of supervision limits (and the delay if set). It’s a characteristic fault of the HVAC Application.



Remedy:

Check settings.
F105 (ID: 1105)

Process supervision fault (PID2)
Cause:

PID controller: Feedback value outside of supervision limits (and the delay if set). It’s a characteristic fault of the HVAC Application.



Remedy:

Check settings.