Samsung Refrigerator Error Code Motor Locked Over restriction error

This error means the refrigerator's control system has detected that the compressor motor is either locked and not spinning at the correct speed, or is operating under excessive restriction in the refrigeration cycle. Both conditions prevent normal cooling. The code is related to the compressor RPM being outside the expected operating range, which can stem from a mechanical compressor failure or a sealed system problem such as a blockage or refrigerant loss.

It is not recommended to continue relying on the refrigerator for food storage when this error is active. A locked or restricted compressor means the unit is not cooling properly, which creates a food safety risk. You should transfer perishable items to another cooling source and have the unit serviced promptly.

Unplugging the refrigerator for a few minutes and restarting it may temporarily clear the error code, but if the underlying cause is still present, the code will return. A compressor that is mechanically locked or a sealed system with a restriction will not be resolved by a reset. Resetting is only useful as a first step to rule out a transient electronic fault.

Some basic checks, such as inspecting wiring connections between the inverter board and compressor, can be done without specialized tools. However, diagnosing and repairing the underlying cause typically requires refrigerant handling equipment and electrical diagnostic tools. If the compressor is locked or there is a sealed system restriction, a licensed technician is required to safely perform the repair.

Repair costs depend heavily on the root cause. Wiring repairs or an inverter board replacement can range from around $150 to $400 in parts and labor. If the compressor itself is locked and requires replacement, costs can range from $400 to $800 or more depending on the model and service rates in your area. A sealed system restriction repair involving refrigerant recovery and recharge typically falls in the $200 to $500 range.