SiUS341615E
Troubleshooting by Error Code
Service Diagnosis
196
3.15 Capacity Determination Device Abnormality
Error Code
AJ
Applicable
Models
All indoor unit models
Method of Error
Detection
Capacity is determined according to resistance of the capacity setting adaptor and the memory
inside the IC memory on the indoor unit PCB, and whether the value is normal or abnormal is
determined.
Error Decision
Conditions
When the capacity code is not saved to the PCB, and the capacity setting adaptor is not connected.
When a capacity that does not exist for that unit is set.
Supposed
Causes
The capacity setting adaptor was not installed.
Defective indoor unit main PCB
Troubleshooting
NO
NO
YES
The
indoor unit PCB
was replaced with a
spare PCB.
YES
The
capacity
setting adaptor need
to be installed when
replacing the
PCB.
Install a capacity setting
adaptor.
Replace the indoor unit main
PCB (A1P).
Replace the indoor unit main
PCB (A1P).
Caution
Be sure to turn off the power switch before connecting or disconnecting
connectors, or parts may be damaged.
Summary of Contents for RXYQ-TA Series
Page 1: ...Service Manual SiUS341615E RXYQ72 408TAYDU RXYQ72 408TATJU Heat Pump 60 Hz...
Page 321: ...SiUS341615E Wiring Diagrams Appendix 308 RXYQ96 120TAYDU 2D106439A...
Page 322: ...Wiring Diagrams SiUS341615E 309 Appendix RXYQ144 168TAYDU 2D106440A...
Page 323: ...SiUS341615E Wiring Diagrams Appendix 310 RXYQ72TATJU 3D106435A...
Page 324: ...Wiring Diagrams SiUS341615E 311 Appendix RXYQ96 120TATJU 2D106436A...
Page 325: ...SiUS341615E Wiring Diagrams Appendix 312 RXYQ144 168TATJU 2D106437A...
Page 335: ...SiUS341615E Wiring Diagrams Appendix 322 VAM1200GVJU 3D073270C...
Page 336: ...Revision History Month Year Version Revised contents 02 2017 SiUS341615E First edition...