SMEG Compressor Not Starting

Wine cooler not cooling at all; interior remains at room temperature, compressor not running, display appears normal.

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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 compressor start relay/PTC, Defective compressor overload protector, Faulty main control PCB not sending power, Open wiring to compressor

How to Fix / Troubleshooting

Safety: Unplug the unit before removing the rear panel or touching compressor wiring. High voltage is present when powered.

Steps to troubleshoot:

  • Listen for compressor: When powered, you should hear a low hum from the compressor. If silent, suspect start components or control board.
  • Access compressor area: Remove the rear lower cover to expose the compressor, start relay, and overload.
  • Inspect start relay and overload: Look for burn marks or melted plastic. Replace with SMEG-specified parts if damaged.
  • Check wiring: Ensure all connectors to the compressor and start components are tight and not corroded.
  • Control board check: If start components are good and the compressor still never receives power, the main control PCB may be faulty and require replacement.

Warning: Do not attempt to open or replace the compressor yourself; this requires a licensed refrigeration technician.

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Repair Difficulty

Hard 4/5

Required Part

Compressor Start Relay / PTC
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