LG MULTI V 5 Manual Book page 81

■ VI EEV
Checking start
Powered up for the
No
Power is normally
first time, feel the initial
supplied to the VI EEV?
vibration?
Yes
There is a temperature
No
difference between front
and rear of the VI EEVduring
normal heating mode?
Yes
Replace VI EEV
No malfunction of VI EEV
160
_TROUBLE SHOOTING GUIDE BOOK
No
Replace PCB
Yes
■ Sub Cooling EEV
Checking start
There is a temperature
difference between front
No
and rear of the sub cooling
EEV during normal cooling
mode?(EEV Open
condition)
The connection of PCB
Yes
terminal is correct?
Signal is applied
successfully on the PCB?
There is a
Check the EEV coil and replace
temperature difference
the sub cooling EEV
between front and rear of
the sub cooling EEV
No
during normal heating
mode?(EEV Open condition
after obtaining the discharge
superheat degree)
The connection of PCB
terminal is correct?
Yes
Signal is applied
successfully on the PCB?
No malfunction of sub cooling Check the EEV coil and replace
EEV the sub cooling EEV
No
Re-connection of PCB terminal
Yes
No
Replace the PCB
Yes
No
Re-connection of PCB terminal
Yes
No
Replace the PCB
Yes
161
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