Chigo
No Heating / Heat Pump Fault
Chigo air conditioner does not heat in Heat mode; blows only cool or lukewarm air.
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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
Reversing valve coil failure on Chigo outdoor unit, Stuck reversing valve, Low refrigerant charge, Outdoor unit in continuous defrost due to sensor fault
How to Fix / Troubleshooting
Safety first: Turn off power before opening the outdoor unit.
- Step 1 – Confirm mode: Ensure the remote is set to Heat and the set temperature is above room temperature.
- Step 2 – Check outdoor operation: In heat mode, the outdoor fan and compressor should run. If not, see communication or PCB faults.
- Step 3 – Listen for reversing valve: When switching between Cool and Heat, you should hear a distinct click from the reversing valve. If not, the reversing valve coil may be faulty.
- Step 4 – Technician tasks: A professional should test the reversing valve coil voltage, check refrigerant charge, and verify defrost sensor operation.
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Repair Difficulty
Hard
4/5
Required Part
Reversing Valve Coil
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