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Home Service & Support Troubleshooting Air Conditioner What is F9 error ...

Question: What is F9 error code?

Answer:

Reason: Module Reset Fault

 

Causes:


■            Open circuit or poor contact between outdoor PCB and the power module

■            Poor soldering or lifted pins on the connector of outdoor PCB and the power module

■            Abnormal output voltage signals

■            Faulty power module



When this error displays, please call for service.


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