SiBE01-503 Troubleshooting
Service Diagnosis 57
4. Troubleshooting
4.1 Error Codes and Description
: Displayed only when system-down occurs.
Code Description
Reference
Page
System
00
Normal —
Indoor
Unit
A1
Indoor unit PCB abnormality 58
A5
Freeze-up protection control or high pressure control 59
A6
Fan motor or related abnormality (AC motor) 61
C4
Heat exchanger thermistor abnormality 62
C9
Room temperature thermistor abnormality 62
Outdoor
Unit
F6
High pressure control in cooling 63
J6
Heat exchanger thermistor or related abnormality 65
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