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SiAF332111E
Troubleshooting by Error Code
Part 6 Service Diagnosis
317
5.64 Improper Combination of Indoor Unit and Outdoor Unit,
Indoor Unit and Remote Controller
Applicable
Models
All indoor unit models
All outdoor unit models
Error Code
UA
Method of Error
Detection
A difference occurs in data by the type of refrigerant between indoor and outdoor units.
The number of indoor units connected is out of the allowable range.
Error Decision
Conditions
The error decision is made as soon as either of the abnormalities aforementioned is
detected.
Mismatching of indoor and outdoor units PCB connection.
Supposed
Causes
Excess of connected indoor units
Defective outdoor unit main PCB
Mismatch of the refrigerant type of indoor and outdoor unit.
Setting of outdoor unit main PCB was not carried out after replacing to spare PCB.
Summary of Contents for VRV S RXQ4/5ARV1
Page 1: ...Service Manual Cooling Only 50 60 Hz RXQ4 5ARV1 RXMQ6ARV1 RXMQ8 10 12ARY1 SiAF332111E...
Page 369: ...SiAF332111E Wiring Diagrams Part 7 Appendix 363 RXMQ6ARV1 C 3D137051...
Page 370: ...Wiring Diagrams SiAF332111E 364 Part 7 Appendix RXMQ8ARY1 C 3D137060...
Page 371: ...SiAF332111E Wiring Diagrams Part 7 Appendix 365 RXMQ10 12ARY1 3D121610B...
Page 375: ...SiAF332111E Wiring Diagrams Part 7 Appendix 369 FXMQ40 50 63 80 100ARV1 3D127112 04 59...