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VACON® NXP IP00 Drive Modules
Operating Guide
12.12.68 Fault 24 - Counter fault
Cause
Values that showed on the counters are incorrect.
Troubleshooting
Have a critical attitude towards values shown on counters.
12.12.69 Fault 25 - Microprocessor watchdog fault, Subcode S1 - CPU watchdog timer
Cause
•
operation malfunction
•
defective component
Troubleshooting
•
Reset the fault and start the drive again.
•
If the fault shows again, ask instructions from the local distributor.
12.12.70 Fault 25 - Microprocessor watchdog fault, Subcode S2 - ASIC reset
Cause
•
operation malfunction
•
defective component
Troubleshooting
•
Reset the fault and start the drive again.
•
If the fault shows again, ask instructions from the local distributor.
12.12.71 Fault 26 - Start-up prevented, Subcode S1 - Prevention of accidental start-up
Cause
Start-up of the drive has been prevented. Run request is ON when new application is downloaded to the drive.
Troubleshooting
•
Cancel prevention of start-up if it can be done safely.
•
Remove Run request.
12.12.72 Fault 26 - Start-up prevented, Subcode S2 - RUN request is kept active after drive returns
to READY state from safe state
Cause
Start-up of the drive has been prevented. START command is ON when returning to READY state after Safe Disable has been active.
Troubleshooting
•
Cancel prevention of start-up if it can be done safely.
•
Remove Run request.
12.12.73 Fault 26 - Start-up prevented, Subcode S30 - RUN request given too quickly
Cause
Start-up of the drive has been prevented. START command is ON after system software or application was downloaded, or after
application was changed.
Troubleshooting
•
Cancel prevention of start-up if it can be done safely.
•
Remove Run request.
12.12.74 Fault 29 - Thermistor fault, Subcode S1 - Thermistor input activated on OPTAF board
Cause
The thermistor input of option board has detected increase of the motor temperature.
It is possible to set different responses in the application for this fault. See parameter group Protections.
Danfoss A/S © 2023.09
Specifications
AQ351737303996en-000201 / DPD00888 | 163
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