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11.1.82 Fault 30 - Safe disable
Cause
The input on OPTAF board has opened.
STO inputs SD1 and SD2 are activated through the OPTAF option board.
Troubleshooting
Cancel Safe Disable if it can be done safely.
11.1.83 Fault 31 - IGBT temperature (hardware)
Cause
IGBT Inverter Bridge overtemperature protection has detected too high a short-term overload current.
Troubleshooting
Check the load.
Check the motor frame size.
Make an identification run.
11.1.84 Fault 32 - Fan cooling
Cause
Cooling fan of the AC drive does not start, when ON command is given.
Troubleshooting
Ask instructions from the local distributor.
11.1.85 Fault 34 - CAN bus communication
Cause
Sent message not acknowledged.
Troubleshooting
Make sure that there is another device on the bus with the same configuration.
11.1.86 Fault 35 - Application
Cause
Problem in application software.
Troubleshooting
Ask instructions from the local distributor.
For an application programmer: do a check of the application program.
11.1.87 Fault 36 - Control unit
Cause
The software needs newer version of the control unit.
Troubleshooting
Change the control unit.
11.1.88 Fault 37 - Device changed (same type), Subcode S1 - Control board
Cause
A new option board has replaced the old one in the same slot. The parameters are available in the drive.
Troubleshooting
Reset the fault. The device is ready for use. The drive starts to use the old parameter settings.
11.1.89 Fault 38 - Device added (same type), Subcode S1 - Control board
Cause
The option board was added. The same option board has been used in the same slot before. The parameters are available in the
drive.
Troubleshooting
Reset the fault. The device is ready for use. The drive starts to use the old parameter settings.
AB296635287482en-000301 / DPD00903 | 341
Danfoss A/S © 2023.02
Fault Tracing
VACON® NX All-in-One
Application Guide
Summary of Contents for VACON NX
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