Senville
Compressor Non-Start
Outdoor fan runs but compressor does not start; no cooling or heating.
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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, Faulty inverter PCB, Loose compressor wiring, Internal overload open due to overheating
How to Fix / Troubleshooting
Safety: High-voltage and refrigerant hazards. Turn off power and do not remove compressor terminal cover with power on.
- Step 1 – Visual inspection: Check compressor wiring for loose or burnt connections.
- Step 2 – Cool-down: Allow the unit to cool for 1 hour and retry; an overheated compressor may restart after cooling.
- Step 3 – Listen for attempts: If the compressor never attempts to start, the inverter PCB or compressor may be faulty.
- Step 4 – Professional diagnosis: A technician should test compressor windings and inverter output and recommend repair or replacement.
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Repair Difficulty
Professional Required
5/5
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