Samsung Refrigerator Error Code R Comp Start Failure Error

This error means the refrigerator compartment compressor attempted to start but was unable to complete the startup sequence. The fault is detected by the R Room inverter PCB, which controls compressor operation. Causes can include low DC voltage output from the inverter board, defective solder joints on that board, a failed compressor, or a sealed system pressure issue.

When this error is active, the compressor is not running, which means the refrigerator compartment will not cool properly. Perishable food stored inside may reach unsafe temperatures relatively quickly. It is best to transfer food to another refrigerator or cooler and address the fault as soon as possible.

A power reset may temporarily clear the error code and allow another startup attempt, but if the underlying fault is still present, the error will return. Resetting alone does not fix the inverter board voltage issue, solder joint problem, or compressor fault that triggered the error. A proper diagnosis of the root cause is necessary to resolve the error permanently.

Some steps, such as visually inspecting the inverter PCB for obviously cracked solder joints and measuring the DC 15V output with a multimeter, can be performed by a technically skilled DIYer. However, diagnosing or repairing a failed compressor or a sealed refrigerant system requires specialized tools and certifications. Replacing the inverter PCB is within reach for experienced DIYers if the board is confirmed faulty.

Repair costs vary depending on the root cause. Replacing the R Room inverter PCB typically falls in the range of $150 to $350 including parts and labor. Compressor replacement is significantly more expensive, often ranging from $400 to $700 or more depending on the model and labor rates in your area. A sealed system repair can push costs even higher.