Fujitsu ARYG72LHTA Service Instruction page 44

Trouble shooting 6
INDOOR UNIT Error Method:
Combination error
Detective Actuators:
Indoor unit
Forecast of Cause:
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.
OK
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
Detective details:
1. When the outdoor unit type is multi.
02-08
Outdoor unit :
PUMP LOW
POWER
DOWN NOISE
ERROR
(L1) (L2) (L3) (L4)
MODE
2 3
2
PEAK
CUT
(L5) (L6)