LG LBNG3061YL - Outdoor Unit and PCB Issues

- 36 -
Copyright ©2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
Is the LCD of wired remote controller
operate normally when operations ON?
Is the Connection between CN-Power of
indoor unit and terminal block?
Refer to the self-diagnosis function.
The Outdoor Unit does not operate at all.
Trouble 4
YES
Check the connecting state of connector
NO
NO
Is the connection of cable between indoor
and outdoor unit right?
Indoor Outdoor
1(Brown) 1(Brown)
2(Blue) 2(Blue)
3(Green/YL) 3(Green/YL)
4(Red) 4(Red)
NO
YES
Is the voltage of CN-POWER ①, ③ in
outdoor PCB Ass'y about AC220V / 240V ?
Check the Fuse of Outdoor PCB Ass'y.
Check the connecting state of wires.
NO
YES
YES
Is the operation of outdoor Ass'y right?
(IC04D, IC01A)
Replace the parts.
NO
Replace the PCB Ass'y.
NO