2-5. E: 23. Combination error (Outdoor unit)
Indicator
Indoor unit
Detective actuator
Indoor unit
Forecast of cause
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.
2-5. E: 23. Combination error (Outdoor unit)
Operation indicator
Timer indicator
Economy indicator
Error code
End
Continuous flash
The outdoor unit receives the serial signal of applied
refrigerant information from indoor unit.
Incorrect indoor unit is selected.
- (03-9) -
2 time flash
3 time flash
E: 23
2. Troubleshooting with error code