25
Microprocessor watchdog fault
Vacon · NXS NXP AC Drive
What does 25 mean?
The microprocessor watchdog has tripped, indicating a software or hardware malfunction within the control unit. This can be caused by faulty operation or a component failure, where the microprocessor becomes unresponsive. This is a critical fault that prevents the drive from executing its control logic safely.
Complete Troubleshooting Guide
- 1
Reset the fault and attempt to restart the drive.
- 2
If the fault re-occurs, contact the distributor immediately as it indicates an internal failure of the control unit.