U8

Outdoor Fan Motor Protection Stop

Description

The outdoor unit's fan motor has stopped due to abnormal rotation speed, often caused by a mechanical obstruction or motor fault.

Appliance Error Codes Details

Error Code
U8
Error Name
Outdoor Fan Motor Protection Stop
Appliance Type
air_conditioner
Brand
Mitsubishi
Severity
medium

Additional Troubleshooting

1. Turn off the unit
2. Check the outdoor fan blades for obstructions and free rotation
3. Contact service to test the fan motor and its control board connector

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Verified by: Pavel Volkov
Created:
Last updated:
Information verified against official sources

Official Sources

Official Manufacturer Service Manuals

Service manuals and technical documentation from appliance manufacturers

Original equipment manufacturers official documentation

Industry Standards Organizations

International standards for electrical appliances and error codes

International Electrotechnical Commission standards

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