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Installation and Maintenance
Service Manual
9. Maintenance
9.1 Malfunction Display of Indoor Unit
1. Malfunction display requirement
2. Malfunction display method
3. Display control via remote controller
Display under test state
Malfunction Name Dual-8 Nixie Tube
C5
H6
U8
P7
E6
U1
P8
PU
H3
LC
E4
E8
E5
P5
H7
H5
PL
PH
HC
En
EU
E9
E2
L3
In defect of refrigerant