LG HB1003R - Page 34

Possible Trouble 6 It displays abnormally on DC PCB Ass’y.
NO
NO
NO
NO
YES
YES
YES
Are IC01G and IC02G
OK?
Is the connection of
CN-AC/DC OK?
• Replace the DC
PCB Ass'y.
• Replace IC01G,
IC02G.
• Replace IC03G.
• Connect connector
to CN-AC/DC exactly.
Does the IC03G
operate normally on AC
PCB Ass'y?
34 Room Air Conditioner
Troubleshooting Guide