Whynter
Compressor Start Failure
Clicking sound, compressor tries to start but shuts off repeatedly, no cooling
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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/PTC, Weak compressor, Low line voltage, Overheated compressor
How to Fix / Troubleshooting
Safety: Unplug the unit before accessing the compressor. Mains voltage is present at the compressor terminals.
Steps to troubleshoot clicking:
- Check ventilation and temperature: Ensure the unit is well ventilated and not in a very hot environment, which can overheat the compressor.
- Inspect start relay: Remove the compressor terminal cover and inspect the start relay/PTC for burn marks or rattling pieces. Replace if damaged.
- Allow cool-down: If the compressor is extremely hot, let it cool for 30–60 minutes, then try again.
- Voltage check: Have a qualified person verify that the outlet voltage is within specification.
- Technician service: If a new start device does not resolve the issue, the compressor may be mechanically locked and require professional replacement.
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Repair Difficulty
Hard
4/5
Required Part
Compressor Start Relay / PTC
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