LG AH-W096A0 Service Manual page 71

Display
Title
code
24
Press S/W Open
Check Flow Chart
Is the wire connection
normal ?
Yes
Is the soldering
state of connector is
normal?
Yes
Is the SVC Valve
opened ?
Yes
Check the leakage of
refrigerant.
Check Pressure of
suction pipe
Check Pressure of
discharge pipe
Is it normal ?
Yes
Change main PCB
Copyright ©2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
Cause of error
• Low / High press
S/W open.
No
Correct connection
No
Re-soldering component
No
Open SVC Valve
No
Re-vaccuming system
& Re-charging
- 71 -
Check point & Normal condition
• Check the connection of "CN_PRESS"
• Check the SVC V/V open.
• Check the leakage of refrigerant.
❊ Pressure switch table
Switch Low pressure switch
Spec 0.03 Mpa
Model AUUW126C
AUUW186C
Trouble Shooting
High pressure switch
4.3 Mpa
AUUW246D
AUUW306D
AUUW366D
AUUW426D
AUUW486D
AUUW606D
AUUW368D
AUUW428D
AUUW488D
AUUW608D
CN_PRESS
LGE Internal Use Only