LG ATNH126ELFC Service Manual page 123

Troubleshooting CH51, CH60
Display
Title
code
51 Capacity Error
EEPROM
60
Check sum
Model
AUUH488C
AUUH728C
AUUH1008C
Check Point
• CH 51
1. Check the indoor unit capacity.
Cause of error
• Over Capacity
Combination
• Undder Capacity
Combination
• Check sum error
Min. Capacity
25k
37k
50k
Check point & Normal condition
• Check the indoor unit capacity.
• Check the combination table.
• Check the PCB ASM P/No.
• Check the poor soldering.
Gross Capacity
48k
72k
100k
• CH 60
1. Check the insertion condition of EEPROM.
2. Check the poor soldering
Troubleshooting Guide
Max.Capacity
58k
85k
120k
Service Manual 123