Problem: Communication error between control boards
How to Fix Washer Error
- Disconnect power at circuit breaker.
- Remove control panel and main access covers.
- Inspect all communication wire harnesses between boards.
- Check for damaged, corroded, or loose connectors.
- Test communication lines for continuity and proper voltage.
- Clean all electrical contacts with contact cleaner.
- If wiring is good, suspect control board failure.
- Document all wire connections before disconnecting boards.
- Replace faulty control board assembly.
- Reconnect all harnesses and run diagnostic communication tests.
Still Not Working?
If the replacement part didn’t fix the issue, you may have a wiring problem or main board failure.










