LG Multi V 5 - Page 81

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_TROUBLE SHOOTING GUIDE BOOK _
■ VI EEV
Powered up for the
first time, feel the initial
vibration?
There is a temperature
difference between front
and rear of the VI EEVduring
normal heating mode?
Power is normally
supplied to the VI EEV?
Replace PCB
Replace VI EEV
Checking start
No malfunction of VI EEV
Yes
Yes
Yes
No
No
No
■ Sub Cooling EEV
There is a temperature
difference between front
and rear of the sub cooling
EEV during normal cooling
mode?(EEV Open
condition)
The connection of PCB
terminal is correct?
Signal is applied
successfully on the PCB?
The connection of PCB
terminal is correct?
Signal is applied
successfully on the PCB?
There is a
temperature difference
between front and rear of
the sub cooling EEV
during normal heating
mode?(EEV Open condition
after obtaining the discharge
superheat degree)
Re-connection of PCB terminal
Replace the PCB
Re-connection of PCB terminal
Check the EEV coil and replace
the sub cooling EEV
Check the EEV coil and replace
the sub cooling EEV
Replace the PCB
Checking start
No malfunction of sub cooling
EEV
Yes
Yes
Yes
Yes
Yes
Yes
No
No
No
No
No
No
Basic Part
Multi V 5
Intorduction
Trouble Shooting
Function Control
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