RCA Compressor Not Starting / Locked Rotor

RCA freezer is completely warm but the compressor is hot and humming or clicking every few minutes.

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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.

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Possible Causes

Failed start relay or PTC, Defective overload protector, Seized compressor, Low line voltage causing start failure

How to Fix / Troubleshooting

Safety first: Unplug the freezer and allow the compressor to cool for at least 30 minutes before touching. Components can be extremely hot.

Steps to diagnose:

  • 1. Listen to behavior: Plug in the unit and listen: a brief hum followed by a click every few minutes suggests start failure.
  • 2. Access start components: Unplug the unit, remove the rear lower panel, and locate the start relay and overload on the side of the compressor.
  • 3. Inspect and test: Remove the relay and overload. Check for burn marks or rattling pieces inside the relay. Test continuity of the overload; replace any component that is open or physically damaged.
  • 4. Install new start kit: Replace with an RCA-compatible start relay and overload. Ensure correct orientation on the compressor terminals.
  • 5. Test operation: Reassemble, plug in, and listen for the compressor to start smoothly. Monitor cooling over several hours.

Warning: If the compressor still fails to start or quickly overheats and clicks off with new start components, the compressor is likely locked or internally damaged. This requires sealed-system replacement by a professional.

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Repair Difficulty

Professional Required 5/5

Required Part

Compressor Start Relay
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