Outdoor Unit Lev Troubles - LG multi V PLUS Service Manual

Outdoor Unit LEV.
Start of check.
Do you feel
initialization vibration when
applying initial power?
Yes
Is there temperature
difference between front end and
rear end of LEV in
cooling operation?
No
Is there temperature
difference between front end and
rear end of LEV in
heating operation?
Yes
No failure of outdoor unit LEV.
No
Is power supplied to the
outdoor unit LEV?
Yes
Is the check valve normal?
No
Replace the
outdoor unit LEV
• It is difficult to separate coils and the main
body for the outdoor unit LEV,
and it is impossible to mount them again.
Self-diagnosis function
No
Replace the PCB.
Yes
No
Replace the check valve.
Yes
Service Manual 287