UF

Compressor Overcurrent (Locked Rotor)

Description

The compressor drew excessive current because its rotor is locked (unable to turn), and the system cut power to prevent damage.

Appliance Error Codes Details

Error Code
UF
Error Name
Compressor Overcurrent (Locked Rotor)
Appliance Type
air_conditioner
Brand
Mitsubishi
Severity
high

Additional Troubleshooting

1. Turn off the unit and do not restart repeatedly
2. Check that stop valves are open and refrigerant piping is not restricted
3. Verify compressor wiring is secure and correctly connected
4. Contact service — a locked compressor typically requires professional replacement

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About this page

Author: Pavel Volkov
Created: