Fujitsu ACUH09LUAS1, Service Manual

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2-5. E: 23. Combination error (Outdoor unit)
Indicator
→ired remote
controller
Error code E: 23
Detective actuator Indoor unit
• The outdoor unit receives the serial signal of
applied refrigerant information from indoor unit.
(→hen the refrigerant type is R410A)
• →hen the outdoor unit type is multi type
Forecast of cause Incorrect indoor unit is selected.
Check point 1. Check the type of indoor unit
• Check the type of the connected indoor unit.
-> If there is an abnormal condition, correct it by refer to the installation manual or the “DESIGN
& TECHNICAL MANAL”.
Check point 2. Replace main PCB
If check point 1 do not improve the symptom, replace main PCB of the outdoor unit.
End
2-5. E: 23. Combination error (Outdoor unit)
- (03-9) -
2. Troubleshooting with error code
TR
O
U
B
LESH
O
O
TI
N
G
TR
O
U
B
LESH
O
O
TI
N
G