H04

Main PCB Load Relay Error

Description

A fault has been detected in the load relay on the main control board, such as a short circuit or a stuck contact.

Appliance Error Codes Details

Error Code
H04
Error Name
Main PCB Load Relay Error
Appliance Type
washing_machine
Brand
Panasonic
Severity
high

Additional Troubleshooting

1. Unplug the washing machine for 5 minutes and restart it.
2. Check that the mains voltage in your home is stable.
3. If the error persists, the main control board needs inspection.
4. Contact a qualified service technician for board repair or replacement.

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About this page

Author: Pavel Volkov
Created: