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Fujitsu AUXB07GALH User Manual

Fujitsu AUXB07GALH
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Trouble shooting 29
INDOOR UNIT Error Method:
Indoor Unit Fan Motor 2 rotation
Indicate or Display:
Outdoor Unit : E.5 U.1
Error Code : 5 9, 5 9. 2
Detective Actuators:
Indoor Unit Co ntroller PCB Circuit
Indoor Fan Motor
Detective details:
When the FAN motor fee d back rotation value which is detecting on the
controller PCB becomes 0 and lasts for more than 1 minute at motor opera
tion condition.
Or, when th e feed back ro tation value contimues at 1/ 3 of t a rget valu e for more
than 1 minute.
Check Point 2 : Check Motor winding / Internal PCB circuit
Check Indoor Fan motor ( Refer to the PARTS INFORMATION 14 )
>>If Fan motor is abnormal, replace it.
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.
Check Point 3 : 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..
Check Point 4 : Check Motor Capacitor
Check continuity of motor capacitor
>>If it is shorted, replace the capacitor.
Check Point 5 : Replace Controller PCB
OK
OK
OK
OK
Forecast of Cause : 1. Fan rotation failure 2. F an motor winding open 3. Motor protection b y ambient t emp. increase
4. Capacitor f ail ure 5. Controller PCB failure
Change Controller PCB and set up the original address.
E.59.2
speed Error
04-37

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Fujitsu AUXB07GALH Specifications

General IconGeneral
BrandFujitsu
ModelAUXB07GALH
CategoryAir Conditioner
LanguageEnglish

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