Luma
Compressor Short Cycling on Overload
Clicking sound every few minutes; compressor attempts to start but shuts off quickly; 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 compressor start relay, Weak compressor, Low line voltage, Overheated compressor due to poor ventilation
How to Fix / Troubleshooting
Unplug the cooler before touching the compressor or start components.
- Ventilation: Ensure adequate clearance around the cooler and clean the condenser coils to reduce compressor temperature.
- Replace start relay/overload: Remove the start device from the compressor and replace it with a compatible Luma compressor start relay and overload.
- Check supply voltage: Avoid long extension cords; plug directly into a properly grounded outlet.
- Monitor: After replacement, allow the unit to run. If the compressor still clicks off repeatedly, the compressor itself may be failing and needs professional replacement.
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Repair Difficulty
Professional Required
5/5
Required Part
Compressor Start Relay and Overload Protector
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