Service Check Function SiEN18-622
310 Troubleshooting
Error Code List in
Relation to RA
Indoor Units
- : Not used for troubleshooting
Indication on
the remote
control
Description of the Fault Details of fault
(Refer to the
indicated
page.)
00
Indoor unit in normal condition (Conduct a diagnosis of the outdoor
unit.)
—
A1 Indoor unit PCB abnormality 322
A5
Freeze-up protection control or high pressure control (heat pump
model only)
323
A6
Fan motor or related
abnormality
AC motor (Duct, Floor / Ceiling) 325
DC motor (Wall, Floor) 326
C4 Heat exchanger thermistor or related abnormality 328
C7 Shutter drive motor / shutter limit switch abnormality 329
C9 Room temperature thermistor abnormality 328
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