Samsung Compressor Start Relay or Inverter Attempting to Start

Clicking noise from the back of the refrigerator; unit may not cool properly.

Safety Warning

This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.

If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.

Possible Causes

Locked compressor, Faulty inverter PCB, Power supply issues, Overheating compressor

How to Fix / Troubleshooting

Safety first: High-voltage components are involved; limit DIY to observation and basic checks.

Step 1 – Observe pattern:

If you hear repeated clicking every few minutes with no sustained compressor run, the compressor may be failing to start.

Step 2 – Ensure proper ventilation:

Pull the refrigerator away from the wall to improve airflow.
Clean dust from condenser coils and fan area.

Step 3 – Power cycle:

Unplug the refrigerator for 10–15 minutes, then plug back in.

Step 4 – Professional diagnosis:

If clicking continues and cooling is poor, a technician should test the Inverter PCB and Compressor.

Repair Difficulty

Professional Required 5/5

Required Part

Inverter PCB (Compressor Inverter Board)

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