Fujitsu AUXG18KVLA, Service Manual

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2-9. E: 33. Indoor unit motor electricity consumption detection
error (Indoor unit)
Indicator
Wired remote
controller
Error code E: 33
Detective actuator
Indoor unit motor electricity
consumption detection When the voltage value or the current value of the motor
go beyond the limits
Forecast of cause
Fan motor failure
Main PCB failure
Check point 1. Check the rotation of fan
Rotate the fan by hand when the operation is off. (Check if fan is caught, drop off or locked motor)
→ If fan or bearing is abnormal, replace it.
↓
Check point 2. Check ambient temperature around the 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 3. Check indoor unit fan motor
Check indoor unit fan motor. (Refer to indoor unit fan motor in "Service parts information" on page
03-57.)
→ If indoor unit fan motor is abnormal, replace it.
↓
Check point 4. Replace main PCB
If check point 1-3 does not improve the symptom, change main PCB.
↓
End
2-9. E: 33. Indoor unit motor electricity consumption detection error (Indoor unit)
- (03-16) -
2. Troubleshooting with error code
TROUBLESHOOTING TROUBLESHOOTING