Service Manual 287
No
No
No
No
No
Yes
Do you feel
initialization vibration when
applying initial power?
Start of check.
Replace the PCB.
Outdoor Unit LEV.
No failure of outdoor unit LEV.
Yes
Yes
Yes
Yes
Is power supplied to the
outdoor unit LEV?
Replace the check valve.
Is the check valve normal?
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.
Is there temperature
difference between front end and
rear end of LEV in
cooling operation?
Is there temperature
difference between front end and
rear end of LEV in
heating operation?
Self-diagnosis function
Summary of Contents for multi V PLUS
Page 21: ...Service Manual 21 Indoor Unit Indoor Units ...
Page 74: ...74 Indoor Unit ...
Page 86: ...86 Indoor Unit ...
Page 142: ...142 Indoor Unit ...
Page 160: ...160 Indoor Unit ...
Page 179: ...Service Manual 179 Outdoor unit ...
Page 239: ...Service Manual 239 Wiring Diagrams 5 8 60Hz 220V Main Outdoor Unit 8HP 10HP 12HP ...
Page 245: ...Service Manual 245 Trouble shooting guide ...
Page 296: ...296 Trouble Shooting Guide ...
Page 297: ...Service Manual 297 Appendix ...
Page 303: ...Service Manual 303 Exploded View Replacement Parts List ...