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Troubleshooting by Error Codes
SiUS281811EA
286
Part 6 Service Diagnosis
Troubleshooting
∗
The number of indoor units that may be connected to an individual outdoor unit system is
determined by the model of the outdoor unit.
Caution
Be sure to turn off the power switch before connecting or disconnecting
connectors, or parts may be damaged.
YES
YES
YES
YES
NO
NO
NO
NO
Is the outdoor unit PCB
replaced by the backup PCB?
Is the refrigerant type of
the indoor unit and outdoor unit
matched?
Is the total number of
indoor units displaying
UA
and indoor units connectable to the
same refrigerant system
within the permitted
limit?
Press
RESET (BS5)
button on the
outdoor unit PCB for 5 seconds.
Is any fault detected?
Check the model name of the
outdoor unit PCB and then
replace the old one.
Too many indoor units under one
refrigerant system.
Normal
Match refrigerant type of indoor
unit and outdoor unit.
Replace the outdoor main PCB
(A1P).
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...