Fujitsu AUUH18LUAS Service Manual page 103

2-31. E: 97.X. Outdoor unit fan motor error (Outdoor unit)
→ired remote
Indicator
controller
Detective actuator Outdoor unit
Forecast of cause
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 2. Check ambient temperature 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 3. Check outdoor unit fan motor
Check outdoor unit fan motor. (Refer to outdoor unit fan motor in
page 03-53.)
If outdoor unit fan motor is abnormal, replace outdoor unit fan motor and main PCB.
2-31. E: 97.↓. Outdoor unit fan motor error (Outdoor unit)
Error code
Inverter PCB 1. →hen outdoor fan rotation speed is less than 100
rpm in 20 seconds after fan motor starts, fan motor
Main PCB
stops.
2. After fan motor restarts, if the same operation within
60 seconds is repeated 3 times in a row,
Fan motor
compressor and fan motor stops.
3. If 1. and 2. repeats 5 times in a row, compressor
and fan motor stops permanently.
Motor protection by surrounding temperature rise
- (03-37) -
E: 97
Fan rotation failure
Inverter PCB failure
Main PCB failure
Outdoor unit fan motor
"Service parts information"
2. Troubleshooting with error code
on