Microcontroller watchdog fault

What does 25 mean?

This fault is triggered by faulty operation or a component failure within the microcontroller, indicating an unexpected halt or error in the drive's internal control processes.

• Microcontroller has not reset within the expected time window.
• Internal software crash or freeze.
• Hardware fault on the main control board.
• Power supply instability affecting the microcontroller.
• External interference causing watchdog reset.

Click steps to track your progress.

1. 1

   Reset the fault and attempt to restart the frequency converter.