E1

Remote Controller Control Board Error

Description

The wired remote controller's control circuit board has a fault, or the remote controller is not properly connected to the indoor unit.

Appliance Error Codes Details

Error Code
E1
Error Name
Remote Controller Control Board Error
Appliance Type
air_conditioner
Brand
Mitsubishi
Severity
medium

Additional Troubleshooting

1. Power cycle the system
2. Check the remote controller cable connection at both ends
3. If multiple remote controllers are used, verify master/slave setup
4. Contact service to test or replace the remote controller

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Author: Pavel Volkov
Created:

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