LG Therma V AHBW A0 Series - Page 60

Trouble Shooting Guide
- 60 -
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Is the wire connection
normal ?
Is the SVC Valve
opened ?
Check the leakage of
refrigerant.
Check Pressure of
suction pipe
Check Pressure of
discharge pipe
Is the soldering
state of connector is
normal?
Yes
Yes
No
Correct connection
No
Re-soldering component
Yes
No
Open SVC Valve
Is it normal ?
Change main PCB 2
Yes
No
Re-vaccuming system
and Re-charging
Check Flow Chart
CN_PRESS
24
Press S/W Open
• Low / High pressure
S/W open.
• Check the connection of “CN_PRESS”
• Check the SVC V/V open.
• Check the leakage of refrigerant.
Display
code
Title Cause of error Check point & Normal condition