Panasonic
Intermittent Compressor Operation
Freezer intermittently stops cooling, then starts again after some time
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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
Overheating compressor, failing compressor start device or inverter, intermittent main PCB relay, poor condenser ventilation
How to Fix / Troubleshooting
Safety: Unplug the freezer before cleaning or accessing components.
Steps:
- 1. Ventilation: Ensure adequate clearance around the freezer and clean the condenser coil.
- 2. Overheating check: After the unit stops, carefully touch the compressor shell. If extremely hot, allow it to cool and improve airflow.
- 3. Wiring inspection: Check the compressor wiring harness and connectors for looseness or discoloration.
- 4. Monitor pattern: Note if the problem occurs during high ambient temperatures or heavy use; this helps a technician diagnose an overheating or control issue.
- 5. Professional diagnosis: If the issue persists, a technician should test compressor current draw and control board outputs.
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Repair Difficulty
Hard
4/5
Required Part
Compressor Start Circuit
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