Chigo
Insufficient Cooling / Underperformance
Indoor unit is running but no cooling; air from vents is not cold even after 15–20 minutes.
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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
Dirty indoor air filters on Chigo wall unit, Clogged indoor evaporator coil, Low refrigerant charge due to leak, Failing compressor or stuck expansion device
How to Fix / Troubleshooting
Safety first: Turn off power before cleaning filters or coils.
- Step 1 – Set correct mode: Ensure the remote is set to Cool mode with a temperature at least 3–5°C below room temperature and fan on medium or high.
- Step 2 – Clean filters: Remove and wash filters, then dry and reinstall.
- Step 3 – Check indoor and outdoor coils: Inspect both coils for dirt and clean gently if accessible.
- Step 4 – Check outdoor unit: Confirm the outdoor fan and compressor are running. If the outdoor unit is silent while the indoor runs, there may be an electrical or refrigerant fault.
- Step 5 – Call a technician: If cleaning does not restore cooling, a professional should check refrigerant charge, compressor performance, and the electronic expansion valve or capillary.
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Repair Difficulty
Medium
3/5
Required Part
Refrigerant Circuit (Leak Repair & Recharge)
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