Danfoss VACON 100 INDUSTRIAL Fault Codes List

Access the complete 26 reference guide for Danfoss VACON 100 INDUSTRIAL fault codes. Learn to interpret Fault IDs, diagnose STO (F30) errors, and use VACON Live software.

VACON 100 INDUSTRIAL Fault Codes Reference Table

VACON 100 FLOW Faults and Alarms

VACON 100 FLOW - Fault Tracing

Fault Code and Meaning Cause and Remedy
Fault Code 1, ID 1

Overcurrent (Hardware Fault)		 Cause:
There is too high a current (> 4 × IH) in the motor cable.
  • a sudden heavy load increase
  • a short circuit in the motor cables
  • the motor is not the correct type
  • the parameter settings are not properly made

Remedy:
  • Check the loading.
  • Check the motor.
  • Check the cables and connections.
  • Make an identification run.
  • Set the acceleration time longer (P3.4.1.2 and P3.4.2.2).
Fault Code 1, ID 2

Overcurrent (Software Fault)		 Cause:
There is too high a current (> 4 × IH) in the motor cable.
  • a sudden heavy load increase
  • a short circuit in the motor cables
  • the motor is not the correct type
  • the parameter settings are not properly made

Remedy:
  • Check the loading.
  • Check the motor.
  • Check the cables and connections.
  • Make an identification run.
  • Set the acceleration time longer (P3.4.1.2 and P3.4.2.2).
Fault Code 2, ID 10

Overvoltage (Hardware Fault)		 Cause:
The DC link voltage is higher than the limits.
  • too short a deceleration time
  • high overvoltage spikes in the supply

Remedy:
  • Set the deceleration time longer (P3.4.1.3 and P3.4.2.3).
  • Activate the overvoltage controller.
  • Check the input voltage.
Fault Code 2, ID 11

Overvoltage (Software Fault)		 Cause:
The DC link voltage is higher than the limits.
  • too short a deceleration time
  • high overvoltage spikes in the supply

Remedy:
  • Set the deceleration time longer (P3.4.1.3 and P3.4.2.3).
  • Activate the overvoltage controller.
  • Check the input voltage.
Fault Code 3, ID 20

Earth Fault (Hardware Fault)		 Cause:
The measurement of current tells that the sum of the motor phase current is not zero.
  • an insulation malfunction in the cables or the motor
  • a filter (dU/dt, sine) malfunction

Remedy:
  • Check the motor cables and the motor.
  • Check the filters.
Fault Code 3, ID 21

Earth Fault (Software Fault)		 Cause:
The measurement of current tells that the sum of the motor phase current is not zero.
  • an insulation malfunction in the cables or the motor
  • a filter (dU/dt, sine) malfunction

Remedy:
  • Check the motor cables and the motor.
  • Check the filters.
Fault Code 5, ID 40

Charging Switch		 Cause:
The charging switch is closed and the feedback information is OPEN.
  • operation malfunction
  • defective component

Remedy:
  • Reset the fault and restart the drive.
  • Check the feedback signal and the cable connection between the control board and the power board.
  • If the fault occurs again, ask for instructions from your nearest distributor.
Fault Code 7, ID 60

Saturation		 Cause:
  • Defective IGBT.
  • De-saturation short circuit in the IGBT.
  • A short circuit or an overload in the brake resistor.

Remedy:
  • This fault cannot be reset from the control panel.
  • Switch off the power.
  • DO NOT RESTART THE DRIVE or CONNECT THE POWER!
  • Ask for instructions from the factory.
Fault Code 8, ID 600

System Fault		 Cause:
There is no communication between the control board and the power unit.

Remedy:
  • Reset the fault and restart the drive.
  • Download the latest software from the Danfoss Drives website. Update the drive with it.
  • If the fault occurs again, ask for instructions from your nearest distributor.
Fault Code 8, ID 601

System Fault		 Cause:
There is no communication between the control board and the power.

Remedy:
  • Reset the fault and restart the drive.
  • Download the latest software from the Danfoss Drives website. Update the drive with it.
  • If the fault occurs again, ask for instructions from your nearest distributor.
Fault Code 8, ID 602

System Fault		 Cause:
  • Defective component.
  • Operation malfunction.

Remedy:
  • Reset the fault and restart the drive.
  • Download the latest software from the Danfoss Drives website. Update the drive with it.
  • If the fault occurs again, ask for instructions from your nearest distributor.
Fault Code 8, ID 603

System Fault		 Cause:
  • Defective component.
  • Operation malfunction.
  • The voltage of auxiliary power in the power unit is too low.

Remedy:
  • Reset the fault and restart the drive.
  • Download the latest software from the Danfoss Drives website. Update the drive with it.
  • If the fault occurs again, ask for instructions from your nearest distributor.
Fault Code 8, ID 604

System Fault		 Cause:
  • Defective component.
  • Operation malfunction.
  • Output phase voltage does not agree to the reference.
  • Feedback fault.

Remedy:
  • Reset the fault and restart the drive.
  • Download the latest software from the Danfoss Drives website. Update the drive with it.
  • If the fault occurs again, ask for instructions from your nearest distributor.
Fault Code 8, ID 605

System Fault		 Cause:
  • Defective component.
  • Operation malfunction.

Remedy:
  • Reset the fault and restart the drive.
  • Download the latest software from the Danfoss Drives website. Update the drive with it.
  • If the fault occurs again, ask for instructions from your nearest distributor.
Fault Code 8, ID 606

System Fault		 Cause:
The software of the control unit is not compatible with the software of the power unit.

Remedy:
  • Reset the fault and restart the drive.
  • Download the latest software from the Danfoss Drives website. Update the drive with it.
  • If the fault occurs again, ask for instructions from your nearest distributor.
Fault Code 8, ID 607

System Fault		 Cause:
  • The software version cannot be read. There is no software in the power unit.
  • Defective component.
  • Operation malfunction (a problem in the power board or the measurement board).

Remedy:
  • Reset the fault and restart the drive.
  • Download the latest software from the Danfoss Drives website. Update the drive with it.
  • If the fault occurs again, ask for instructions from your nearest distributor.
Fault Code 8, ID 608

System Fault		 Cause:
A CPU overload.

Remedy:
  • Reset the fault and restart the drive.
  • Download the latest software from the Danfoss Drives website. Update the drive with it.
  • If the fault occurs again, ask for instructions from your nearest distributor.
Fault Code 8, ID 609

System Fault		 Cause:
  • Defective component.
  • Operation malfunction.

Remedy:
  • Reset the fault and make a power down of the drive twice.
  • Download the latest software from the Danfoss Drives website. Update the drive with it.
Fault Code 8, ID 610

System Fault		 Cause:
  • Defective component.
  • Operation malfunction.

Remedy:
  • Reset the fault and restart.
  • Download the latest software from the Danfoss Drives website. Update the drive with it.
  • If the fault occurs again, ask for instructions from your nearest distributor.
Fault Code 8, ID 614

System Fault		 Cause:
  • Configuration error.
  • Software error.
  • Defective component (a defective control board).
  • Operation malfunction.

Remedy:
  • Reset the fault and restart.
  • Download the latest software from the Danfoss Drives website. Update the drive with it.
  • If the fault occurs again, ask for instructions from your nearest distributor.
Fault Code 8, ID 647

System Fault		 Cause:
  • Defective component.
  • Operation malfunction.

Remedy:
  • Reset the fault and restart.
  • Download the latest software from the Danfoss Drives website. Update the drive with it.
  • If the fault occurs again, ask for instructions from your nearest distributor.
Fault Code 8, ID 648

System Fault		 Cause:
  • Operation malfunction.
  • The system software is not compatible with the application.

Remedy:
  • Reset the fault and restart.
  • Download the latest software from the Danfoss Drives website. Update the drive with it.
  • If the fault occurs again, ask for instructions from your nearest distributor.
Fault Code 8, ID 649

System Fault		 Cause:
  • A resource overload.
  • A parameter loading, restoring or saving malfunction.

Remedy:
  • Load the factory default settings.
  • Download the latest software from the Danfoss Drives website. Update the drive with it.
Fault Code 8, ID 667

System Fault		 Cause:
Ethernet PHY is not recognized or it is in the wrong state.

Remedy:
  • Reset the fault and restart the AC drive.
  • Download the newest software from the Danfoss Drives website. Update the drive with it.
  • If the fault occurs again, ask for instructions from your nearest distributor.
Fault Code 8, ID 670

System Fault		 Cause:
The output voltage is too low because of overload, a defective component, or a shortcut.

Remedy:
  • Check the loading of the auxiliary output.
  • Reset the fault and restart the AC drive.
  • Download the newest software from the Danfoss Drives website. Update the drive with it.
  • If the fault occurs again, ask for instructions from your nearest distributor.
Fault Code 8, ID 827

System Fault		 Cause:
  • Invalid/incorrect license key provided (via keypad or VCX).
  • The license key is incorrect or not for this drive.

Remedy:
  • Reset the fault and restart the AC drive.
  • Enter the license key to the AC drive again.
  • Download the newest software from the Danfoss Drives website. Update the drive with it.
  • If the fault occurs again, ask for instructions from your nearest distributor.
Fault Code 8, ID 828

System Fault		 Cause:
The entered license key was accepted and stored to the drive.

Remedy:
  • No actions required. Notification only.
Fault Code 8, ID 829

System Fault		 Cause:
New licenses have been taken into use since the previous start-up.

Remedy:
  • No actions required. Notification only.
Fault Code 8, ID 830

System Fault		 Cause:
Licenses have been removed from the drive.

Remedy:
  • No actions required. Notification only.
Fault Code 9, ID 80

Undervoltage (Fault)		 Cause:
The DC link voltage is lower than the limits.
NOTE! This fault becomes active only if the drive is in Run state.
  • Too low a supply voltage.
  • Defective component.
  • A defective input fuse.
  • The external charge switch is not closed.

Remedy:
  • If there is a temporary supply voltage break, reset the fault and restart the drive.
  • Do a check of the supply voltage. If the supply voltage is sufficient, there is an internal fault.
  • Examine the electrical network for fault.
  • Ask for instructions from your nearest distributor.
Fault Code 10, ID 91

Input Phase		 Cause:
The load must be a minimum of 10–20% for the supervision to work.
  • Supply voltage malfunction.
  • A defective fuse or malfunction in the supply cables.

Remedy:
  • Check the supply voltage.
  • Check the fuses.
  • Check the supply cable.
  • Check the rectifying bridge.
  • Check the gate control of the thyristor (MR6->).
Fault Code 10, ID 92

Input Phase		 Cause:
Software-based input phase supervision.

Remedy:
  • Check the supply voltage.
  • Check the fuses.
  • Check the supply cable.
Fault Code 10, ID 94

Input Phase		 Cause:
Software-based input phase supervision.
NOTICE: This fault is only used with enclosure sizes MR9B, MR10, MR11, and MR12.

Remedy:
  • Check the supply voltage.
  • Check the fuses.
  • Check the supply cable.
Fault Code 11, ID 100

Output Phase Supervision		 Cause:
The current measurement tells that there is no current in 1 motor phase.
  • A motor or motor cables malfunction.
  • Filter (dU/dt, sine wave) malfunction.

Remedy:
  • Check the motor cable and the motor.
  • Check the dU/dt or sine wave filter.
Fault Code 13, ID 120

AC Drive Undertemperature (Fault)		 Cause:
Too low a temperature in the heat sink of the power unit or in the power board.

Remedy:
  • The ambient temperature is too low for the drive. Move the drive in a warmer position.
Fault Code 14, ID 130

AC Drive Overtemperature (Fault, Heat Sink)		 Cause:
  • Too high a temperature in the heat sink of the power unit or in the power board.
  • The temperature limits of the heat sink are different in all the enclosure sizes.

Remedy:
  • Check the actual amount and flow of cooling air.
  • Examine the heat sink for dust.
  • Check the ambient temperature.
  • Make sure that the switching frequency is not too high in relation to the ambient temperature and the motor load.
  • Check the cooling fan.
Fault Code 14, ID 131

AC Drive Overtemperature (Alarm, Heat Sink)		 Cause:
  • Too high a temperature in the heat sink of the power unit or in the power board.
  • The temperature limits of the heat sink are different in all the enclosure sizes.

Remedy:
  • Check the actual amount and flow of cooling air.
  • Examine the heat sink for dust.
  • Check the ambient temperature.
  • Make sure that the switching frequency is not too high in relation to the ambient temperature and the motor load.
  • Check the cooling fan.
Fault Code 14, ID 132

AC Drive Overtemperature (Fault, Board)		 Cause:
  • Too high a temperature in the heat sink of the power unit or in the power board.
  • The temperature limits of the heat sink are different in all the enclosure sizes.

Remedy:
  • Check the actual amount and flow of cooling air.
  • Examine the heat sink for dust.
  • Check the ambient temperature.
  • Make sure that the switching frequency is not too high in relation to the ambient temperature and the motor load.
  • Check the cooling fan.
Fault Code 14, ID 133

AC Drive Overtemperature (Alarm, Board)		 Cause:
  • Too high a temperature in the heat sink of the power unit or in the power board.
  • The temperature limits of the heat sink are different in all the enclosure sizes.

Remedy:
  • Check the actual amount and flow of cooling air.
  • Examine the heat sink for dust.
  • Check the ambient temperature.
  • Make sure that the switching frequency is not too high in relation to the ambient temperature and the motor load.
  • Check the cooling fan.
Fault Code 14, ID 134

AC Drive Overtemperature (Fault)		 Cause:
Power unit auxiliary temperature is too high.

Remedy:
  • Check the actual amount and flow of cooling air.
  • Examine the heat sink for dust.
  • Check the ambient temperature.
  • Make sure that the switching frequency is not too high in relation to the ambient temperature and the motor load.
  • Check the cooling fan.
Fault Code 14, ID 136

Overvoltage Protection Circuit Temperature (Alarm)		 Cause:
Too high an output capacitance or a ground fault in the floating network.

Remedy:
  • Check the cables and the motor.
Fault Code 14, ID 137

Overvoltage Protection Circuit Temperature (Fault)		 Cause:
Too high an output capacitance or a ground fault in the floating network.

Remedy:
  • Check the cables and the motor.
Fault Code 14, ID 138

AC Drive Overtemperature (Fault)		 Cause:
Output filter temperature is too high.

Remedy:
  • Check the motor cables and the motor.
  • Check the correct amount and flow of cooling air.
  • Check the ambient temperature.
Fault Code 14, ID 139

AC Drive Overtemperature (Fault)		 Cause:
Brake chopper temperature is too high.

Remedy:
  • Check the correct amount and flow of cooling air.
  • Check the heat sink of the brake chopper for dust.
  • Check the ambient temperature.
Fault Code 15, ID 140

Motor Stall		 Cause:
The motor stalled.

Remedy:
  • Check the motor and the load.
Fault Code 16, ID 150

Motor Overtemperature		 Cause:
There is too heavy a load on the motor.

Remedy:
  • Decrease the motor load.
  • If there is no motor overload, check the motor thermal protection parameters (parameter group 3.9 Protections).
Fault Code 17, ID 160

Motor Underload		 Cause:
There is not a sufficient load on the motor.

Remedy:
  • Check the load.
  • Check the parameters.
  • Check the dU/dt and sine wave filters.
Fault Code 18, ID 170

Unbalance		 Cause:
The current is unbalanced between power units.

Remedy:
  • Check the motor cables and connections.
  • Check the output filters (dU/dt filter, sine filter).
  • Reset the fault and restart the drive.
  • If the fault occurs again, ask for instructions from your nearest service center or distributor. Report carefully all the used software, application and options.
Fault Code 18, ID 171

Unbalance
(Only used with enclosure sizes MR11 and MR12)
Cause: The DC voltage is unbalanced between power units.

Remedy:
  • Check the DC link cables between the power units.
  • Check the motor cables and connections.
  • Check the output filters (dU/dt filter, sine filter).
  • Reset the fault and restart the drive.
  • If the fault occurs again, ask for instructions from your nearest service center or distributor. Report carefully all the used software, application, and options.
Fault Code 18, ID 173

Unbalance (Alarm)
(Only used with enclosure sizes MR11 and MR12)
Cause: The current is unbalanced between power units.

Remedy:
  • Check the installation and the motor cables.
  • Redo the IGBT ID run.
  • The event response can be set to No Action.
Fault Code 19, ID 180

Power Overload (Short-time Supervision)
(Only used with enclosure sizes MR11 and MR12)
Cause: The power of the drive is too high.

Remedy:
  • Decrease the load.
  • Examine the dimensions of drive. Examine if it is too small for the load.
Fault Code 19, ID 181

Power Overload (Long-time Supervision)		 Cause: The power of the drive is too high.

Remedy:
  • Decrease the load.
  • Examine the dimensions of drive. Examine if it is too small for the load.
Fault Code 25, ID 240

Motor Control Fault		 Cause: A malfunction in the start angle identification.
  • The rotor moves during identification.
  • The new angle does not agree with the old value.

Remedy:
  • Reset the fault and restart the drive.
  • Increase the identification current.
  • See the fault history source for more information.
Fault Code 25, ID 241

Motor Control Fault		 Cause: A malfunction in the start angle identification.
  • The rotor moves during identification.
  • The new angle does not agree with the old value.

Remedy:
  • Reset the fault and restart the drive.
  • Increase the identification current.
  • See the fault history source for more information.
Fault Code 26, ID 250

Start-up Prevented		 Cause: It is not possible to do a start-up of the drive. When the Run request is ON, a new software (a firmware or an application), a parameter setting, or other file that affects the operation of the drive, is loaded to drive.

Remedy:
  • Reset the fault and stop the drive.
  • Load the software and start the drive.
Fault Code 29, ID 280

ATEX Thermistor		 Cause: The ATEX thermistor tells that there is an overtemperature.

Remedy:
  • Reset the fault. Check the thermistor and its connections.
Fault Code 30, ID 290

Safe Off		 Cause: The safe Off signal A does not let you set the drive to the READY state.

Remedy:
  • Reset the fault and restart the drive.
  • Check the signals from the control board to the power unit and the D connector.
Fault Code 30, ID 291

Safe Off		 Cause: The safe Off signal B does not let you set the drive to the READY state.

Remedy:
  • Reset the fault and restart the drive.
  • Check the signals from the control board to the power unit and the D connector.
Fault Code 30, ID 500

Safety Configuration		 Cause: The safety configuration switch was installed.

Remedy:
  • Remove the safety configuration switch from the control board.
Fault Code 30, ID 501

Safety Configuration		 Cause: There are too many STO option boards. It is possible to have only 1.

Remedy:
  • Keep 1 of the STO option boards. Remove the others. See the safety manual.
Fault Code 30, ID 502

Safety Configuration		 Cause: The STO option board was installed in an incorrect slot.

Remedy:
  • Put the STO option board into the correct slot. See the OPTBJ STO Safety manual.
Fault Code 30, ID 503

Safety configuration		 Cause: There is no safety configuration switch on the control board.

Remedy:
  • Install the safety configuration switch on the control board. See the safety manual.
Fault Code 30, ID 504

Safety configuration		 Cause: The safety configuration switch was installed incorrectly on the control board.

Remedy:
  • Install the safety configuration switch into the correct position on the control board. See the safety manual.
Fault Code 30, ID 505

Safety configuration		 Cause: The safety configuration switch was installed incorrectly on the STO option board.

Remedy:
  • Check the installation of the safety configuration switch on the STO option board. See the safety manual.
Fault Code 30, ID 506

Safety configuration		 Cause: There is no communication with the STO option board.

Remedy:
  • Check the installation of the STO option board. See the safety manual.
Fault Code 30, ID 507

Safety configuration		 Cause: The STO option board is not compatible with the hardware.

Remedy:
  • Reset the drive and restart it. If the fault occurs again, ask for instructions from your nearest distributor.
Fault Code 30, ID 520

Safety diagnostics		 Cause: The STO inputs have a different status.

Remedy:
  • Check the external safety switch. Check the input connection and cable of the safety switch.
  • Reset the drive and restart.
  • If the fault occurs again, ask for instructions from your nearest distributor.
Fault Code 30, ID 521

Safety diagnostics		 Cause: A malfunction in the ATEX thermistor diagnostic. There is no connection in the ATEX thermistor input.

Remedy:
  • Reset the drive and restart.
  • If the fault occurs again, change the option board.
Fault Code 30, ID 522

Safety diagnostics		 Cause: A short circuit in the connection of the ATEX thermistor input.

Remedy:
  • Check the ATEX thermistor input connection.
  • Check the external ATEX connection.
  • Check the external ATEX thermistor.
Fault Code 30, ID 530

Safe Torque Off		 Cause: An emergency stop was connected or some other STO operation was activated.

Remedy:
  • When the STO function is activated, the drive is in safe state.
Fault Code 32, ID 311

Fan Cooling		 Cause: The fan speed does not agree to the speed reference accurately, but the drive operates correctly. This fault shows only in the MR7 and in enclosure sizes bigger than MR7.

Remedy:
  • Reset the fault and restart the drive.
  • Clean or replace the fan.
Fault Code 32, ID 312

Fan Cooling		 Cause: The fan life time (that is, 50 000 h) is complete.

Remedy:
  • Replace the fan and reset the life time counter of the fan.
Fault Code 33, ID 320

Fire Mode Enabled		 Cause: The fire mode of the drive is enabled. The protections of the drive are disabled or autoreset.

Remedy:
  • Check the parameter settings and the signals.
  • This alarm is reset automatically when fire mode is disabled.
Fault Code 37, ID 361

Device Changed (Same Type)		 Cause: The power unit was replaced by a new one that has the same size. The device is ready to be used. The parameters are available in the drive.

Remedy:
  • Reset the fault. The drive reboots after you reset the fault.
Fault Code 37, ID 362

Device Changed (Same Type)		 Cause: The option board in slot B was replaced by a new one that you have used before in the same slot. The device is ready to be used.

Remedy:
  • Reset the fault. The drive starts to use the old parameter settings.
Fault Code 37, ID 363

Device Changed (Same Type)		 Cause: The option board in slot C was replaced by a new one that you have used before in the same slot. The device is ready to be used.

Remedy:
  • Reset the fault. The drive starts to use the old parameter settings.
Fault Code 37, ID 364

Device Changed (Same Type)		 Cause: The option board in slot D was replaced by a new one that you have used before in the same slot. The device is ready to be used.

Remedy:
  • Reset the fault. The drive starts to use the old parameter settings.
Fault Code 37, ID 365

Device Changed (Same Type)		 Cause: The option board in slot E was replaced by a new one that you have used before in the same slot. The device is ready to be used.

Remedy:
  • Reset the fault. The drive starts to use the old parameter settings.
Fault Code 38, ID 372

Device Added (Same Type)		 Cause: An option board was put into slot B. You have used the option board before in the same slot.

Remedy:
  • The device is ready for use. The drive starts to use the old parameter settings.
Fault Code 38, ID 373

Device Added (Same Type)		 Cause: An option board was put into slot C. You have used the option board before in the same slot.

Remedy:
  • The device is ready for use. The drive starts to use the old parameter settings.
Fault Code 38, ID 374

Device Added (Same Type)		 Cause: An option board was put into slot D. You have used the option board before in the same slot.

Remedy:
  • The device is ready for use. The drive starts to use the old parameter settings.
Fault Code 38, ID 375

Device Added (Same Type)		 Cause: An option board was put into slot E. You have used the option board before in the same slot.

Remedy:
  • The device is ready for use. The drive starts to use the old parameter settings.
Fault Code 39, ID 382

Device Removed		 Cause: An option board was removed from slot A or B.

Remedy:
  • The device is not available. Reset the fault.
Fault Code 39, ID 383

Device Removed		 Cause: An option board was removed from slot C.

Remedy:
  • The device is not available. Reset the fault.
Fault Code 39, ID 384

Device Removed		 Cause: An option board was removed from slot D.

Remedy:
  • The device is not available. Reset the fault.
Fault Code 39, ID 385

Device Removed		 Cause: An option board was removed from slot E.

Remedy:
  • The device is not available. Reset the fault.
Fault Code 40, ID 390

Device Unknown		 Cause: An unknown device was connected (the power unit/option board).

Remedy:
  • The device is not available. If the fault occurs again, ask for instructions from your nearest distributor.
Fault Code 41, ID 400

IGBT Temperature		 Cause: The calculated IGBT temperature is too high.
  • too high a motor load
  • too high an ambient temperature
  • hardware malfunction

Remedy:
  • Check the parameter settings.
  • Examine the actual amount and flow of cooling air.
  • Check the ambient temperature.
  • Examine the heatsink for dust.
  • Make sure that the switching frequency is not too high in relation to the ambient temperature and the motor load.
  • Check the cooling fan.
  • Make an identification run.
Fault Code 44, ID 431

Device Changed (Different Type)		 Cause: There is a new power unit of a different type. Parameters are not available in the settings.

Remedy:
  • Reset the fault. The drive reboots after you reset the fault.
  • Set the power unit parameters again.
Fault Code 44, ID 433

Device Changed (Different Type)		 Cause: The option board in slot C was replaced by a new one that you have not used before in the same slot. No parameter settings are saved.

Remedy:
  • Reset the fault. Set the option board parameters again.
Fault Code 44, ID 434

Device Changed (Different Type)		 Cause: The option board in slot D was replaced by a new one that you have not used before in the same slot. No parameter settings are saved.

Remedy:
  • Reset the fault. Set the option board parameters again.
Fault Code 44, ID 435

Device Changed (Different Type)		 Cause: The option board in slot E was replaced by a new one that you have not used before in the same slot. No parameter settings are saved.

Remedy:
  • Reset the fault. Set the option board parameters again.
Fault Code 45, ID 441

Device Added (Different Type)		 Cause: There is a new power unit of a different type. Parameters are not available in the settings.

Remedy:
  • Reset the fault. The drive reboots after you reset the fault.
  • Set the power unit parameters again.
Fault Code 45, ID 443

Device Added (Different Type)		 Cause: A new option board, that you have not used before in the same slot, was put in slot C. No parameter settings are saved.

Remedy:
  • Set the option board parameters again.
Fault Code 45, ID 444

Device Added (Different Type)		 Cause: A new option board, that you have not used before in the same slot, was put in slot D. No parameter settings are saved.

Remedy:
  • Set the option board parameters again.
Fault Code 45, ID 445

Device Added (Different Type)		 Cause: A new option board, that you have not used before in the same slot, was put in slot E. No parameter settings are saved.

Remedy:
  • Set the option board parameters again.
Fault Code 46, ID 662

Real Time Clock		 Cause: The voltage of the RTC battery is low.

Remedy:
  • Replace the battery.
Fault Code 47, ID 663

Software Updated		 Cause: The software of the drive was updated, the full software package or an application.

Remedy:
  • No steps are necessary.
Fault Code 50, ID 1050

AI Low Fault		 Cause:
  • 1 or more of the available analog input signals is below 50% of the minimum signal range.
  • A control cable is defective or loose.
  • A malfunction in a signal source.

Remedy:
  • Replace the defective parts.
  • Check the analog input circuit.
  • Make sure that parameter AI1 Signal Range is set correctly.
Fault Code 51, ID 1051

Device External Fault		 Cause: The digital input signal that is set with parameter P3.5.1.11 or P3.5.1.12 was activated.

Remedy:
  • This is a user-defined fault.
  • Check the digital inputs and schematics.
Fault Code 52, ID 1052

Keypad Communication Fault		 Cause: The connection between the control panel and the drive is defective.

Remedy:
  • Check the control panel connection and the control panel cable if you have it.
Fault Code 52, ID 1352

Keypad Communication Fault		 Cause: The connection between the control panel and the drive is defective.

Remedy:
  • Check the control panel connection and the control panel cable if you have it.
Fault Code 53, ID 1053

Fieldbus Communication Fault		 Cause: The data connection between the fieldbus master and the fieldbus board is defective.

Remedy:
  • Check the installation and fieldbus master.
Fault Code 53, ID 1054

Redundant Switchover		 Cause: The data connection between controlling fieldbus and the drive has timed out. Redundant control has changed the controlling fieldbus connection.

Remedy:
  • Check the installation and the communication cables.
Fault Code 53, ID 1055

Redundant Timeout		 Cause: The data connection between controlling fieldbus protocols and the drive has timed out.

Remedy:
  • Check the installation and the communication cables.
Fault Code 54, ID 1354

Slot A fault		 Cause: A defective option board or slot.

Remedy:
  • Check the board and the slot.
  • Ask for instructions from your nearest distributor.
Fault Code 54, ID 1454

Slot B fault		 Cause: A defective option board or slot.

Remedy:
  • Check the board and the slot.
  • Ask for instructions from your nearest distributor.
Fault Code 54, ID 1554

Slot C fault		 Cause: A defective option board or slot.

Remedy:
  • Check the board and the slot.
  • Ask for instructions from your nearest distributor.
Fault Code 54, ID 1654

Slot D fault		 Cause: A defective option board or slot.

Remedy:
  • Check the board and the slot.
  • Ask for instructions from your nearest distributor.
Fault Code 54, ID 1754

Slot E fault		 Cause: A defective option board or slot.

Remedy:
  • Check the board and the slot.
  • Ask for instructions from your nearest distributor.
Fault Code 57, ID 1057

Identification		 Cause: There was a failure in the identification run.

Remedy:
  • Make sure that the motor is connected to the drive.
  • Make sure that there is no load on the motor shaft.
  • Make sure that the start command is not removed before the identification run is complete.
Fault Code 57, ID 1157

Identification		 Cause: During the identification run, drive was not able to reach required frequency reference.

Remedy:
  • Make sure that minimum and maximum frequency references are set correctly. Too low maximum frequency can prevent drive from reaching required frequency.
Fault Code 57, ID 1257

Identification		 Cause: During the identification run, drive was not able to reach required frequency reference.

Remedy:
  • Make sure that acceleration time is set correctly. Too long acceleration time can prevent drive from reaching required frequency in 40 seconds.
Fault Code 57, ID 1357

Identification		 Cause: During the identification run, drive was not able to reach required frequency reference.

Remedy:
  • Make sure that current, torque, and power limits of the drive are set correctly. Too low limit settings can prevent drive from reaching required frequency.
Fault Code 63, ID 1063

Quick Stop Fault		 Cause: The quick stop function is activated.

Remedy:
  • Find the cause for the quick stop activation. After you find it, correct it. Reset the fault and restart the drive.
  • See parameter P3.5.1.26 and the quick stop parameters.
Fault Code 63, ID 1363

Quick Stop Alarm		 Cause: The quick stop function is activated.

Remedy:
  • Find the cause for the quick stop activation. After you find it, correct it. Reset the fault and restart the drive.
  • See parameter P3.5.1.26 and the quick stop parameters.
Fault Code 65, ID 1065

PC Communication Fault		 Cause: The data connection between the PC and the drive is defective.

Remedy:
Check the installation, cable, and terminals between the PC and the drive.
Fault Code 66, ID 1366

Thermistor Input 1 Fault		 Cause: The motor temperature increased.

Remedy:
  • Check the motor cooling and the load.
  • Check the thermistor connection.
  • If the thermistor input is not used, you have to short-circuit it.
  • Ask for instructions from your nearest distributor.
Fault Code 66, ID 1466

Thermistor Input 2 Fault		 Cause: The motor temperature increased.

Remedy:
  • Check the motor cooling and the load.
  • Check the thermistor connection.
  • If the thermistor input is not used, you have to short-circuit it.
  • Ask for instructions from your nearest distributor.
Fault Code 66, ID 1566

Thermistor Input 3 Fault		 Cause: The motor temperature increased.

Remedy:
  • Check the motor cooling and the load.
  • Check the thermistor connection.
  • If the thermistor input is not used, you have to short-circuit it.
  • Ask for instructions from your nearest distributor.
Fault Code 68, ID 1301

Maintenance Counter 1 Alarm		 Cause: The value of the maintenance counter is higher than the alarm limit.

Remedy:
  • Do the necessary maintenance.
  • Reset the counter. See parameter B3.16.4 or P3.5.1.40.
Fault Code 68, ID 1302

Maintenance Counter 1 Fault		 Cause: The value of the maintenance counter is higher than the fault limit.

Remedy:
  • Do the necessary maintenance.
  • Reset the counter. See parameter B3.16.4 or P3.5.1.40.
Fault Code 68, ID 1303

Maintenance Counter 2 Alarm		 Cause: The value of the maintenance counter is higher than the alarm limit.

Remedy:
  • Do the necessary maintenance.
  • Reset the counter. See parameter B3.16.4 or P3.5.1.40.
Fault Code 68, ID 1304

Maintenance Counter 2 Fault		 Cause: The value of the maintenance counter is higher than the fault limit.

Remedy:
  • Do the necessary maintenance.
  • Reset the counter. See parameter B3.16.4 or P3.5.1.40.
Fault Code 69, ID 1310

Fieldbus Mapping Error		 Cause: The ID number that is used to map the values to Fieldbus Process Data Out is not valid.

Remedy:
Check the parameters in the Fieldbus Data menu.
Fault Code 69, ID 1311

Fieldbus Mapping Error		 Cause: It is not possible to convert 1 or more values for Fieldbus Process Data Out. The type of the value is undefined.

Remedy:
Check the parameters in the Fieldbus Data menu.
Fault Code 69, ID 1312

Fieldbus Mapping Error		 Cause: There is an overflow when the values for Fieldbus Process Data Out (16-bit) are mapped and converted.

Remedy:
Check the parameters in the Fieldbus Data menu.
Fault Code 70, ID 1120

BaselineRun Failed		 Cause: There was a failure during the baseline run.

Remedy:
Do a check of the parameters in the baseline run settings.
Fault Code 70, ID 1133

Online Run Interrupted		 Cause: Online run interrupted before completion.

Remedy:
Restart baseline run.
Fault Code 71, ID 1121

Stator Winding: Current Warning S1		 Cause: Current unbalance has exceeded the detection high limit. Early fault detected in motor.

Remedy:
Check motor stator windings.
Fault Code 71, ID 1122

Stator Winding: Current Warning S2		 Cause: Current unbalance has exceeded the detection high limit. Severe fault can soon occur in the motor.

Remedy:
Check motor stator windings.
Fault Code 71, ID 1123

Stator Winding: Current Alarm/Fault		 Cause: Current unbalance has exceeded the detection high limit. Severe fault is detected in motor.

Remedy:
Check motor stator windings.
Fault Code 71, ID 1127

Vibration Warning S1		 Cause: Vibration has exceeded the detection high limit. Early fault detected in motor.

Remedy:
Check root cause for increased vibration.
Fault Code 71, ID 1128

Vibration Warning S2		 Cause: Vibration has exceeded the detection high limit. Severe fault can occur soon in the motor.

Remedy:
Check root cause for increased vibration.
Fault Code 71, ID 1129

Vibration Alarm/Fault		 Cause: Vibration has exceeded the detection high limit. Severe fault detected in motor.

Remedy:
Check root cause for increased vibration.
Fault Code 71, ID 1130

Load Warning S1		 Cause: Load outside of the window limits. Early fault detected in motor.

Remedy:
Check root cause for excessive overload or underload.
Fault Code 71, ID 1131

Load Warning S2		 Cause: Load outside of the window limits. Severe fault can occur soon in the motor.

Remedy:
Check root cause for excessive overload or underload.
Fault Code 71, ID 1132

Load Alarm/Fault		 Cause: Load outside of the window limits. Severe fault is detected in motor.

Remedy:
Check root cause for excessive overload or underload.
Fault Code 71, ID 1134

Zeros in baseline		 Cause: Zeros in baseline measurement data detected after baseline run completed.

Remedy:
Check baseline data arrays and use modified point activation to correct data arrays or run new baseline.
Fault Code 76, ID 1076

Start Prevented		 Cause: The start command is blocked to prevent the accidental rotation of the motor during the first power-up.

Remedy:
Reset the drive to start the correct operation. The parameter settings tell if it is necessary to restart the drive.
Fault Code 77, ID 1077

> 5 Connections		 Cause: There are more than 5 active fieldbus or PC tool connections. You can use only 5 connections at the same time.

Remedy:
Leave 5 active connections. Remove the other connections.
Fault Code 78, ID 1078

Identification Ongoing		 Cause: The drive is running the identification for the motor.

Remedy:
You can stop the identification run at any time by removing the start command. When the identification run is completed, a new start command is needed to start the drive.
Fault Code 100, ID 1100

Soft Fill Timeout		 Cause: There is a timeout in the Soft fill function in the PID controller. The process value was not achieved in the time limit. A pipe that broke can be the cause.

Remedy:
  • Check the process.
  • Check the parameters in the menu M3.13.8.
Fault Code 101, ID 1101

Feedback Supervision Fault (PID 1)		 Cause: The feedback value is not in the supervision limits (P3.13.6.2 and P3.13.6.3) and the delay (P3.13.6.4), if you set the delay.

Remedy:
  • Check the process.
  • Check the parameter settings, the supervision limits, and the delay.
Fault Code 105, ID 1105

Feedback Supervision Fault (ExtPID)		 Cause: The feedback value is not in the supervision limits (P3.14.4.2 and P3.14.4.3) and the delay (P3.14.4.4), if you set the delay.

Remedy:
  • Check the process.
  • Check the parameter settings, the supervision limits, and the delay.
Fault Code 109, ID 1109

Input Pressure Supervision		 Cause: The supervision signal of the input pressure (P3.13.9.2) is lower than the alarm limit (P3.13.9.7).

Remedy:
  • Check the process.
  • Check the parameters in menu M3.13.9.
  • Check the input pressure sensor and connections.
Fault Code 109, ID 1409

Input Pressure Supervision		 Cause: The supervision signal of the input pressure (P3.13.9.2) is lower than the fault limit (P3.13.9.8).

Remedy:
  • Check the process.
  • Check the parameters in menu M3.13.9.
  • Check the input pressure sensor and connections.
Fault Code 111, ID 1315

Temperature Fault 1		 Cause: 1 or more of the temperature input signals (set in P3.9.6.1) is higher than the alarm limit (P3.9.6.2).

Remedy:
  • Find the cause of the temperature rise.
  • Check the temperature sensor and connections.
  • If no sensor is connected, make sure that the temperature input is hardwired.
  • See the option board manual for more data.
Fault Code 111, ID 1316

Temperature Fault 1		 Cause: 1 or more of the temperature input signals (set in P3.9.6.1) is higher than the fault limit (P3.9.6.3).

Remedy:
  • Find the cause of the temperature rise.
  • Check the temperature sensor and connections.
  • If no sensor is connected, make sure that the temperature input is hardwired.
  • See the option board manual for more data.
Fault Code 112, ID 1317

Temperature Fault 2		 Cause: 1 or more of the temperature input signals (set in P3.9.6.5) is higher than the fault limit (P3.9.6.6).

Remedy:
  • Find the cause of the temperature rise.
  • Check the temperature sensor and connections.
  • If no sensor is connected, make sure that the temperature input is hardwired.
  • See the option board manual for more data.
Fault Code 112, ID 1318

Temperature Fault 2		 Cause: 1 or more of the temperature input signals (set in P3.9.6.5) is higher than the fault limit (P3.9.6.7).

Remedy:
  • Find the cause of the temperature rise.
  • Check the temperature sensor and connections.
  • If no sensor is connected, make sure that the temperature input is hardwired.
  • See the option board manual for more data.
Fault Code 113, ID 1113

Pump Running Time		 Cause: In the Multi-pump system, 1 or more of the pump run-time counters is above a user-specified alarm limit.

Remedy:
Do the necessary maintenance actions, reset the run-time counter, and reset the alarm. See Pump running time counters.
Fault Code 113, ID 1313

Pump Running Time		 Cause: In the Multi-pump system, 1 or more of the pump run-time counters is above a user-specified alarm limit.

Remedy:
Do the necessary maintenance actions, reset the run-time counter, and reset the alarm. See Pump running time counters.
Fault Code 117, ID 1117

Flow Switch		 Cause: The feedback signal from the flow switch was inactive longer than the specified flow switch fault delay time.

Remedy:
  • Do a check of the process.
  • Do a check of the parameter settings.
Fault Code 118, ID 1118

AHF Over Temp		 Cause: The advanced harmonic filter function has caused an overtemperature fault through a digital input.

Remedy:
Check the advanced harmonic filter function.
Fault Code 119, ID 1119

Auto Cleaning		 Cause: The motor did not reach the expected speed reference during the auto cleaning sequence.

Remedy:
  • Check the process.
  • Check the auto cleaning parameter settings.
Fault Code 300, ID 700

Unsupported		 Cause: The application is not compatible (it is unsupported).

Remedy:
Replace the application.
Fault Code 300, ID 701

Unsupported		 Cause: The option board or the slot is not compatible (it is unsupported).

Remedy:
Remove the option board.
 

How to Read VACON 100 Faults via Keypad & VACON Live

The VACON 100 architecture offers deep diagnostics, but you need to know where to look. In 2026, efficient maintenance relies on these tools:

  • Fault Code (F) vs. Fault ID: This is unique to Vacon drives.
    • Fault Code (F): The general category (e.g., F1 is Overcurrent).
    • Fault ID: The specific cause. For F1, an ID of 1 might mean “Output Short Circuit,” while ID 2 might mean “Overcurrent during acceleration.” Always record the ID number before resetting!
  • VACON Live (PC Software): Connect your PC via the built-in Ethernet port or a USB cable. VACON Live allows you to view the Data Logger. Unlike other drives, the VACON 100 allows you to trigger the logger on a specific fault, capturing voltage and current waveforms milliseconds before the crash.
  • Graphical Keypad: The standard keypad has a dedicated “Diagnostics” menu.
    • Navigate to Main Menu > Diagnostics > Active Faults to see current issues.
    • Navigate to Fault History to see the last 40 faults with timestamps (Real-Time Clock).

Frequently Asked Questions (FAQ)

Q: What is the difference between an Alarm (A) and a Fault (F)?

A:

  • Alarm (A-Codes): The drive notifies you of an issue (e.g., A50 “Analog Input < 4mA”) but continues to modulate.
  • Fault (F-Codes): The drive stops the motor immediately. The red LED on the keypad blinks (for soft faults) or stays solid (for hard faults).

Q: What does “F30” (Safe Torque Off) mean?

A: This is the most common startup issue.

  • F30 indicates the Safe Torque Off (STO) circuit is open.
  • The VACON 100 has two safety channels: S1 and S2 (terminals 6 and 12 on the control board). Both must receive +24V.
  • If you are not using a safety relay, ensure the yellow factory jumpers are installed correctly.

Q: How do I reset a VACON 100 fault?

A:

  1. Press the Reset button on the keypad (press for 2 seconds).
  2. Toggle the Digital Input programmed for “Fault Reset” (Default is often DI3 or DI6 depending on the application).
  3. Send a reset command via Fieldbus (PROFINET/EtherNet IP) using the Control Word.

Q: Why does the drive show “F54” (Slot Fault)?

A: F54 means communication with an option board has been lost.

  • Check the option cards in Slots A, B, C, D, or E.
  • Ensure the cards are seated firmly.
  • If you removed a card intentionally, you must reset the configuration in the “System” menu to acknowledge the hardware change.

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