Chigo
Outdoor Unit Non-Operation
Outdoor unit not running while indoor fan blows air; 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
Tripped outdoor breaker or blown fuse, Faulty outdoor main PCB, Communication failure wiring between indoor and outdoor Chigo units, Failed compressor contactor or relay
How to Fix / Troubleshooting
Safety first: Turn off power before opening the outdoor unit.
- Step 1 – Verify power: Check that the outdoor disconnect is on and that voltage is present at the outdoor terminals.
- Step 2 – Inspect communication cable: Ensure the interconnecting cable between indoor and outdoor units is intact and correctly wired.
- Step 3 – Listen for relays: When the indoor unit calls for cooling, listen at the outdoor unit for relay clicks. No sound may indicate a PCB issue.
- Step 4 – Technician diagnosis: A professional should test the outdoor main PCB, compressor relay/contactor, and communication signals.
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Repair Difficulty
Hard
4/5
Required Part
Outdoor Main PCB
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