
Troubleshooting Guide
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Copyright ©2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
13) Troubleshooting CH51, CH60
51
60
Over capacity
Over capacity
• Over capacity
• Check sum error
• Check the indoor unit capacity.
• Check the combination table.
• Check the PCB ASM P/No.
• Check the poor soldering.
Display
code
Title Cause of error Check point & Normal condition
Check Point
• CH 51
1. Check the indoor unit capacity.
• CH 60
1. Check the insertion condition of EEPROM.
2. Check the poor soldering
Model Max. single indoor unit capacity
AUUW368C
AUUW368C1
40
AUUW428C 46
AUUW488C 52
AUUW608C 65
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