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Only for training and service purposes

LGE Internal Use Only

4. Trouble Shooting

1VSQPTF

+VEHNFOUPGUIF*1.QBSUGBVMUPG

1$#BTTFNCMZ

*UFNTGPSDIFDLJOH

$IFDLJOHGPSDVSSFOUEFUFDUJPOFSSPS

4FUUIFUFTUFSJO%$7PMUBHF.PEFBOEDIFDLUIF7PMUBHF

.FBTVSFUIFWPMUBHFJOUIFPSEFSPGⲳ6(/%7(/%8(/%Ⲵ

5IFTUBOEBSEPGOPSNBMWPMUBHFNFBTVSFNFOUJT7Ⰽ7

*GUIFNFBTVSFNFOUJTEJGGFSFOUGSPNUIFTUBOEBSESFQMBDF1$#"

$BVUJPO8IFOUIFNFBTVSFNFOUJTNBEFJOUIFTUBUFUIBUUIFFMFDUSJDJUZJTBQQMJFEDIFDLUIFUFTUFS

GPSCFJOHJOUIFNFBTVSFNFOUNPEFBOECFDBSFGVMUPBWPJEQPTTJCMFTIPSUPGUIFQBSUTPUIFS

UIBOUIFNFBTVSJOHQBSU

Apply the electricity.

Turn indoor devices off.

Measure voltage.

Replace PCBA.

Current detection

part is normal.

$IFDLJOHNFUIPE

Within 2.3 ~2.7V

Ⲽ1$#"1$#"TTFNCMZ

Ⲽ1PJOUFBDI1$#"

SFGFSUPUIFOFYUQBHF

:F T / P

$PNQSFTTPS1IBTF$VSSFOU%FUFDUJPO$JSDVJU

6.7 Troubleshooting Outdoor Error

CH 21 (DC Peak / Comp IPM Fault)

LG CT24 NP2 User Manual

Questions and Answers: