Fujitsu AMUG24LMAS Service Manual page 81

Troubleshooting 25
Compressor motor control error
(Stoppage permanently)
Detective actuators:
Outdoor unit main PCB
Compressor
Transistor PCB
Detective details:
While running compressor, if the detected rotor location is out of
phase with actual rotor location more than 90° (36/48 models 105 ),
the compressor stops.
After the compressor restarts, if the same operation is repeated
within 40sec, the compressor stops again.
If and repeats 5 times, the compressor stops permanently.
Forecast of cause:
1. Defective connection of electric components
2. Main PCB failure
3. Compressor failure
4. Transistor PCB (IPM) failure
Indicate or Display:
Indoor unit
Operation lamp: 9 times Flash,
Timer lamp
Wired remote control
Error code : [E : 95]
Outdoor unit (AOUG36/48LMAS1)
Mode Error
2
: Light OFF
03-33
: 5 times Flash
A B C D E
9 5
: Light ON n : n times blinking
°
F