LG LCN240CP Service Manual page 46

Troubleshooting Guide
Troubleshooting CH51, CH60
Display
Title
code
51
Capacity Error
EEPROM
60
Check sum
Check Point
• CH 51
1. Check the indoor unit capacity.
46 Ceiling Cassette Air Conditioner
Cause of error
• Over Capacity
Combination
• Undder Capacity
Combination
• Check sum error
• CH 60
1. Check the insertion condition of EEPROM.
2. Check the poor soldering
Check point & Normal condition
• Check the indoor unit capacity.
• Check the combination table.
• Check the PCB ASM P/No.
• Check the poor soldering.