LG ACHH Series Manual page 83

Error number Errors
Inverter power modul
65
sensor error
n Failure diagnosis method
Is a sensor normally
connected to PCB?
Yes
Is it normal after
replacing PCB?
Yes
Main board replacement
Meaning
Abnormal sensor
resistance value
(Open/Short)
No
Insert a sensor to PCB
No
Sensor replacement
Main cause of occurrence
1. Bad connection of low pressure connector
2. Defect of low pressure connector (Open/Short)
3. Defect of outdoor PCB
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Error code check