- 139 -
Copyright ©2013 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
4. Trouble Shooting 
Items Contents
Purpose
Protection of compressor from elevated pressure and judgment whether 
to start defrosting
Condition for Generation Shielding environment, cycle disorder, and sensor unit fault
3FTFUUJOHQPXFSTPVSDF8BJUGPSNJOVUFTBGUFSUVSOJOHUIFQPXFSPGUIFQSPEVDUPGG
Installation
Cycle
Sensor
Replacing
PCB
Whether to
 shield
Pipe 
blocking
Properties
of unit 
Checking service 
valve for opening
Checking EEV for 
proper working
Checking  refrigerant 
for leakage or
overcharging
Checking fan
 for working
Ⲽ3FGFSUPQBHF
Ⲽ3FGFSUPQBHF
Ⲽ3FGFSUPQBHF
Ⲽ3FGFSUPQBHF
Ⲽ3FGFSUPQBHF
6.7 Troubleshooting Outdoor Error 
CH 61 (Condenser High Error)