Lg Electronics General Wall Mounted-Inverter Type User Manual

Service Manual 65

Part 4 Trouble Shooting

10) Troubleshooting CH51, CH60

Over capacity

EEPROM

Check sum

• Over capacity

Combination

• 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