Service Manual 275
Self-diagnosis function
Fault diagnosis and Trouble shooting guide
Error Item
Error
Display No.
Major Error Occurrence Cause
Meaning
Sensor error
Abnormal measuring
value of sensor
(Open/Short)
• Defective temperature sensor (open/short)
• Defective PCB.
No
Connect to the terminal.
Yes
Replace the sensor.
Is connection status normal?
No
Yes
Is sensor resistance value normal?
Check or replace the PCB.
Check connection status of the sensor.
Trouble shooting Flow
40, 41, 42, 43, 44,
45, 46, 47, 48, 65,
113, 114, 115, 116,
117, 118, 120, 121,
122, 123, 124, 125,
126, 127, 128, 129,
130, 132, 133, 134,
135, 136, 137, 138,
139, 148
* See the Temperature Resistance Table
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 ...