LG LMNH122LRA0 Service Manual page 125

12) Troubleshooting CH51, CH60
Display
Title
code
51
Over capacity
EEPROM
60
Check sum
Model
L8UC100BFA0
L8UH100BFA0
Check Point
• CH 51
1. Check the indoor unit capacity.
Cause of error
• Over capacity
Combination
• Check sum error
Gross max. capacity
52k
52k
Check point & Normal condition
• Check the indoor unit capacity.
• Check the combination table.
• Check the PCB ASM P/No.
• Check the poor soldering.
Max. single indoor unit capacity
12K
12K
• CH 60
1. Check the insertion condition of EEPROM.
2. Check the poor soldering
Troubleshooting Guide
Service Manual 125