Fujitsu ARYG72LHTA Service Instruction page 48

Trouble shooting 10
INDOOR UNIT Error Method:
Indoor unit motor electricity
consumption detection error
Detective Actuators:
Indoor unit motor electricity
consumption detection error
Forecast of Cause:
1. Fan motor failure 2. Main PCB failure
Check Point 1 : Check rotation of Fan
Rotate the fan by hand when operation is off.
(Check if fan is caught, dropped off or locked motor)
>>If Fan or Bearing is abnormal, replace It.
OK
Check Point 2 : Check ambient temp. around motor
Check excessively high temperature around the motor.
(if there is any surrounding equipment that causes heat)
>>Upon the temperature coming down, restart operation.
OK
Check Point 3 : Check Indoor unit fan motor
Check Indoor unit fan motor. (PARTS INFORMATION 4)
>>if Indoor unit fan motor is abnormal, replace Indoor unit fan motor.
OK
Check Point 4 : Replace Power Supply PCB
If Check Point 1- 3 do not improve the symptom, replace Main PCB.
Indicate or Display:
Error code : 33
Detective details:
When the voltage value or the current value of the motor go beyond the limits.
02-12
Outdoor unit :
PUMP LOW
POWER
DOWN NOISE
ERROR
(L1) (L2) (L3) (L4)
MODE
5 15
2
PEAK
CUT
(L5) (L6)