SiUS281811EA
Troubleshooting by Error Codes
Part 6 Service Diagnosis
285
4.54 Improper Combination of Indoor and Outdoor Units,
Indoor Units and Remote Controller
Error Code
UA
Applicable
Models
All indoor units
All outdoor units
Method of Error
Detection
A difference occurs in data by the type of refrigerant between indoor and outdoor units.
The number of indoor units is out of the allowable range.
Error Decision
Conditions
The error decision is made as soon as either of the abnormalities aforementioned is detected.
Supposed
Causes
Excess of connected indoor units
Defective outdoor main PCB
Mismatching of the refrigerant type of indoor and outdoor unit.
Setting of outdoor main PCB was not conducted after replacing to spare PCB.
Summary of Contents for SkyAir RZR-TA Series
Page 1: ...Service Manual Cooling Only 60 Hz Heat Pump 60 Hz RZR TA RZQ TA Series SiUS281811EA...
Page 202: ...SiUS281811EA 196 Part 6 Service Diagnosis 5 15 Fan Motor Connector Check for FTQ TA 311...
Page 323: ...SiUS281811EA Wiring Diagrams Part 7 Appendix 317 RZR18 24TAVJUA RZQ18 24TAVJUA 3D124495...
Page 327: ...SiUS281811EA Wiring Diagrams Part 7 Appendix 321 FHQ18 24 30PVJU FHQ36 42MVJU 3D048116C...
Page 328: ...Wiring Diagrams SiUS281811EA 322 Part 7 Appendix FAQ18 24TAVJU 3D114844B...
Page 329: ...SiUS281811EA Wiring Diagrams Part 7 Appendix 323 FBQ18 24 30 36 42 48PVJU 3D065984J...