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Fujitsu AOTG36LATL Service Instruction

Fujitsu AOTG36LATL
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02-12
Trouble shooting 9
INDOOR UNIT Error Method:
Indicate or Display:
Indoor Unit Fan Motor2 Error
Refer to error code table.
Detective Actuators:
Detective details:
Indoor unit Power Supply PCB
Indoor unit fan motor
When the condition that actual frequency of Indoor Fan is
below 1/3 of target frequency is continued more than 56 seconds.
Forecast of Cause:
Check Point 1 : Check rotation of Fan
Check Point 2 : Check ambient temp. around motor
OK
OK
OK
1. Fan rotation failure 2. Fan motor winding open 3. Motor protection by surrounding temperature rise
4. Power Supply PCB failure 5. Indoor unit fan motor failure
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.
Check excessively high temperature around the motor.
(If there is any surrounding equipment that causes heat)
>>Upon the temperature coming down, restart operation.
Check Point 4 : Replace Power Supply PCB
If Check Point 1- 3 do not improve the symptom, replace Power Supply PCB.
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.

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Fujitsu AOTG36LATL Specifications

General IconGeneral
BrandFujitsu
ModelAOTG36LATL
CategoryAir Conditioner
LanguageEnglish

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