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SiUS331708EA
Troubleshooting by Error Code
Service Diagnosis
182
4.18 Capacity Determination Device Abnormality
Error Code
AJ
Applicable
Models
All indoor units
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 PCB
Troubleshooting
Caution
Be sure to turn off the power switch before connecting or disconnecting
connectors, or parts may be damaged.
Install a capacity setting adaptor.
Replace the indoor unit main
PCB (A1P).
NO
NO
YES
YES
Replace the indoor unit main
PCB (A1P).
The indoor unit PCB
was replaced with a
spare PCB.
The
capacity setting
adaptor need to be
installed when
replacing the
PCB.
Содержание RXSQ24TAVJU
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Страница 289: ...SiUS331708EA Wiring Diagrams Appendix 276 1 Wiring Diagrams 1 1 Outdoor Unit RXSQ24 36TAVJU 3D109545A...
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