LG ATNH09GRLE2 Svc Manual page 142

6.7 Troubleshooting Outdoor Error
CH 65 (Heat sink Temperature Sensor Open/Short)
Items
Purpose
Condition for Generation Detected temperature is -40
Items for checking
Working Temperature
Replacing PCB
Environmental factor checking method
Sensor checking method
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Only for training and service purposes
Prevention of damage or wrong control of PCBA (PSCM/PFCM,IPM)
caused by heat sink temperature detection error
- 142 -
Contents
or 200 .
Sub-items for checking
Outdoor Temperature
4. Trouble Shooting
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