LG ATNH09GRLE2 Svc Manual page 99

4. Trouble Shooting
6.7 Troubleshooting Outdoor Error
CH 22 (Input of Over Current)
Items for
checking
Checking
power source
Checking
for
over-load
operation
Checking
compressor
Checking
PCBA
Copyright ©2013 LG Electronics. Inc. All right reserved.
Only for training and service purposes
Checking
Checking
input voltage connection
Checking
Checking
outdoor
devices for
fan operation
shielding
Checking
refrigerant
for over/shorts
Checking
Checking
compressor
compressor
phase resis-
wiring
Checking input
current
detection
circuit
Sub-items for
checking
power
state
Checking
pipes
outdoor
for Bending /
blocking
Checking
compressor
insulation
tance resistance
- 99 -
Checking EEV
for motion
LGE Internal Use Only