LG UM36 N24 - Page 83

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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)