Error code reference

Samsung Refrigerator Error Code Motor Locked Over RPM

Compressor restriction error

Compressor restriction error — motor locked or over RPM condition detected.

First step from the service manual

Check voltage of Resistance R308 (Short/Open). Check voltage of both C103 terminals (Unstable Voltage). Check the Compressor and the Cycle.

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

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Motor Locked Over RPM on my Samsung RF28R7351SG

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Compressor restriction error — motor locked or

From Service Manual 577108, p.40:

1.Check voltage of Resistance R308 (Short/Open). Check voltage of both C103 terminals (Unstable Voltage). Check the Compressor and the 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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