Bosch
Compressor Short Cycling / Overload Tripping
Freezer emits a clicking sound every few minutes and does not cool properly.
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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, High compressor current draw due to internal fault, Low supply voltage, Overheated compressor from dirty condenser
How to Fix / Troubleshooting
Safety: Unplug the freezer before accessing the compressor area.
Steps:
- Clean condenser: Ensure the condenser coils are clean and that ventilation is adequate.
- Check supply voltage: Avoid using extension cords; plug directly into a properly grounded outlet.
- Inspect start device: Remove and inspect the compressor start relay/PTC for burn marks or rattling. Replace if suspect.
- Monitor operation: After replacing the start device, allow several hours to see if normal cooling resumes. If clicking persists, the compressor may be failing and requires professional diagnosis.
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Repair Difficulty
Hard
4/5
Required Part
Compressor Start Relay / PTC
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