LG ATNH09GRLE2 Svc Manual page 144

6.7 Troubleshooting Outdoor Error
CH 65 (Heat sink Temperature Sensor Open/Short)
Items
Purpose
Condition for Generation The fan is not operated at the rpm exceeding the standard.
CH67 Cause of Generation
Classification
Fan
PCB Assembly
Trouble Checking Flow
Items for checking
Outdoor Fan
PCBA
Cautions
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Detection of no proper operation of the fan.
Fan motor damage and fan connection fault
Damage of fan motor driving circuit
Outdoor fan damage
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Contents
Causes in Detail
Sub-items for checking
Connection state
4. Trouble Shooting
LGE Internal Use Only