Si10-417 Error Codes and Description of Fault
Service Diagnosis 21
4. Error Codes and Description of
Fault
4.1 Indoor Unit
Code
Indication
Description of Problem
Classification No. and
related page
1
2
A1
Indoor unit PCB abnormality 24 24
A5
Freeze-up protection function or
high pressure control
25 25
A6
Fan motor or related abnormality 27 29
C4
Heat exchanger temperature
thermistor abnormality
32 32
C7
Shutter drive motor / shutter limit
switch abnormality
33 33
C9
Room temperature thermistor
abnormality
32 32
Si10-417.fm Page 21 Wednesday, September 22, 2004 6:38 PM
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