Service Manual 271
Self-diagnosis function
Is input power normal?
Yes
Check input power.
No
Check or replace the PCB.
Trouble shooting Flow
Fault diagnosis and Trouble shooting guide
25
147
149
Error Item
Error
Display No.
Major Error Occurrence Cause
Meaning
Low voltage/high
voltage
Input voltage is More
than 487V or less than
270V
• Abnormal input power
• Defective voltage detection circuit
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 ...