Compressor Control Error - Fujitsu AOYG45LAT8 User Manual

Trouble shooting 31
OUTDOOR UNIT Error Method:

Compressor Control Error

Detective Actuators:
Outdoor Unit Inverter PCBCompressor
Forecast of Cause :
1. Connector connection failure
Check Point 1 : Check connections condition in control unit
Check if the terminal connection is loose.
Check if connector is removed.
Check if connector is erroneous connection.
Check if cable is open.
>> Upon correcting the removed connector or mis-wiring, reset the power.
OK
Check Point 2 : Check the Inverter PCB to inverter compressor connection state
Wiring connection state check
Cable open check
OK
Check Point 3 : Check the Inverter compressor
Inverter compressor check (Refer to Service Parts Information 1. 2)
OK
Check Point 4 : Replace the Inverter PCB
If Check Point 1~3 do not improve the symptom, replace Inverter PCB.
NG
Check Point 5 : Replace the Inverter compressor
If Check Point 4 do not improve the symptom, replace Inverter compressor.
Indicate or Display:
Outdoor Unit : E. 95. 1
Indoor Unit : Operation LED 9 times Flash, Timer LED 5 Times Flash
Economy LED Continuous Flash.
Error Code : 95
Detective details:
When "compressor location detection error" is detected consecutively
5 times, within 40 seconds after start-up.
(Compressor location detection becomes over than 90°)
2. Inverter PCB failure
02-47
3.Compressor failure