Bosch Compressor Start Failure

Clicking sound every few minutes, compressor tries to start but shuts off quickly

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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

Weak compressor start relay, Overheating overload protector, Failing compressor, Low supply voltage

How to Fix / Troubleshooting

Safety: Unplug the wine cooler before touching the compressor or electrical components. The compressor can be very hot.

Steps:

  • Check power supply: Ensure the outlet provides stable voltage and is not shared with heavy appliances.
  • Inspect start device: Remove the rear panel and carefully detach the start relay/overload from the compressor. Look for burn marks or a burnt smell.
  • Test and replace: Use a multimeter to test the start device according to Bosch specifications. Replace it if defective.
  • Professional diagnosis: If a new start device does not resolve the issue, the compressor itself may be failing and requires professional replacement.
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Repair Difficulty

Hard 4/5

Required Part

Compressor Start Relay
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