Compressor Motor Loss Of Synchronization - Fujitsu Airstage V-II Service Manual

Trouble shooting 47
OUTDOOR UNIT Error Method:
Compressor Motor Loss of
Synchronization
Detective Actuators:
Inverter PCB
Forecast of Cause : 1. Inverter PCB defective
2. Inverter compressor defective (lock)
Check Point 1 : Check the Inverter PCB
Inverter PCB check (Refer to Service Parts Information 5)
OK
Check Point 2 : Replace the Inverter compressor
Inverter compressor replacement
After fixing the problem and for canceling the Error, Error Reset (F3-40) will be required after power reset
Indicate or Display:
Outdoor Unit : E. 95. 5
Indoor Unit : Operation LED 9 times Flash, Timer LED 15 Times Flash,
Filter LED Continuous Flash.
Error Code : 95
Detective details:
"Protection stop by "loss of synchronization detection"" generated
consecutively 5 times
* The number of generations is reset if protection stop is not generated again
within 40 seconds after restarting.
04-55