Trouble shooting 6
INDOOR UNIT Error Method:
Detective Actuators: Detective details:
1. The outdoor unit receives the serial signal of applied refrigerant
information from Indoor unit. When the refrigerant is R410a.
2. When the outdoor unit type is multi.
Forecast of Cause:
OK
Combination error
Indoor unit
1. The selection of indoor units is incorrect
Check Point 1 : Check the type of indoor unit
Check the type of the connected indoor unit.
>> If abnormal condition is found, correct it.
Check Point 2 : Replace Main PCB
If Check Point 1 do not improve the symptom, replace Main PCB of Outdoor unit.
Indicate or Display:
Error code : 23
02-07
Outdoor unit : No indication
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