Error code reference

Samsung Refrigerator Error Code COMP MOTOR LOCKED OVER RPM ERROR

Compressor motor locked or over RPM restriction error.

Compressor motor locked or over RPM restriction error.

First step from the service manual

Check voltage of resistance R308 (Short/Open); check voltage of both C103 terminals (unstable voltage); check compressor and cycle.

The complete diagnostic procedure includes additional test steps, resistance specifications, wiring diagram references, and component test points.

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COMP MOTOR LOCKED OVER RPM ERROR on my Samsung RF28R7351SG

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Compressor motor locked or over RPM restriction

From Service Manual 932447, p.19:

1.Check voltage of resistance R308 (Short/Open); check voltage of both C103 terminals (unstable voltage); check compressor and cycle.

2.Measure door lock assembly resistance across the PTC terminals. Expected: ~200 ohms cold, rising sharply once energized.

3.Inspect strike and latch alignment. A warped door or misaligned strike prevents the switch stack from closing in the correct sequence.

Part DC34-00024B

Door lock assembly

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