LG CT12 NR2 - CH 65 (Heat sink Temperature Sensor Open;Short)

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Only for training and service purposes
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4. Trouble Shooting
Items Contents
Purpose
Prevention of damage or wrong control of PCBA (PSCM/PFCM,IPM)
caused by heat sink temperature detection error
Condition for Generation
Detected temperature is Ŧ -40ఁ or ŧ 200ఁ.
Items for checking Sub-items for checking
Working Temperature Outdoor Temperature
Replacing PCB
Environmental factor checking method
5IFQSPEVDUTXPSLTXIFOPVUEPPSUFNQFSBUVSFJTⴍⳄ
(FOFSBUJPOPG$)DBTFNJOVUFTBGUFSUIFPQFSBUJPOPGUIFQSPEVDU
*GCPUIPGBCPWFTUBUFEDPOEJUJPOTBSFTBUJTGJFEFOWJSPONFOUBMGBDUPSJTUIFDBVTF
Sensor checking method
1PXFS0GG
.FBTVSFUIFSFTJTUBODFVTJOHBUFTUFS
.FBTVSFUIFSFTJTUBODF)FBUTJOL5FNQQPJOU3FGFSUPUIFOFYUQBHF
CBTFEPOⳄ,ⳊⰍ
Ⲽ3FGFSUPQBHF
6.7 Troubleshooting Outdoor Error
CH 65 (Heat sink Temperature Sensor Open/Short)