E: 95. Compressor Motor Control Error (Outdoor Unit) - Fujitsu ASUG09LZAS Service Manual

2-19. E: 95. Compressor motor control error (Outdoor unit)

Indicator Indoor unit
Detective actuator Outdoor unit
Forecast of cause
Check point 1. Check Noise from Compressor
Turn on Power and check operation noise.
→ If an abnormal noise show, replace compres-
sor.
Check point 2. Check connection of around the compressor components
For compressor terminal, main PCB
• Check if connector is removed.
• Check erroneous connection.
• Check if cable is open. (Refer to inverter compressor in
64.)
→ Upon correcting the removed connector or mis-wiring, reset the power.
Check point 3. Replace main PCB
If Check point 1, 2 do not improve the symptom, change main PCB.
Check point 4. Replace compressor
If Check point 3 do not improve the symptom, change compressor.
2-19. E: 95. Compressor motor control error (Outdoor unit)
Operation indicator
Timer indicator
Economy indicator
Error code
Main PCB
Compressor
↓
↓
↓
↓
End
Continuous flash
1. When running the compressor, if the detected rotor
location is out of phase with actual rotor location
more than 90°, the compressor stops.
2. After the compressor restarts, if the same operation
is repeated within 40 seconds, the compressor
stops again.
3. If 1. and 2. repeats 5 times, the compressor stops
permanently.
Defective connection of electric components
Main PCB failure
Compressor failure
"Service parts information"
- (03-29) -
9 time flash
5 time flash
E: 95
on page 03-
2. Troubleshooting with error code