Problem: Control board watchdog timer failure – processor locked up
How to Fix Washer Error
- Unplug washer for 5 minutes to reset processor.
- Inspect main control board for signs of overheating (discolored components near processor).
- Check ventilation around control compartment – ensure no lint buildup blocking airflow.
- Verify ambient temperature isn’t exceeding 120°F near control board location.
- Test all input devices (lid switch, door lock, pressure switch) for intermittent shorts that could crash processor.
- If no external causes found and error recurs within 3 cycles, control board processor has failed.
- Replace main control board assembly W
- During installation, apply thermal compound to processor heat sink if provided with new board.
- After replacement, monitor washer through 3 complete cycles to confirm stability.
- Document any power interruptions that preceded failure – may indicate need for UPS protection.
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Still Not Working?
If the replacement part didn’t fix the issue, you may have a wiring problem or main board failure.
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