Fujitsu Airstage V series - Troubleshooting 37 - OUTDOOR UNIT Error Method: Reverse Phase;Missing Phase Error

Trouble shooting 37
OUTDOOR UNIT Error Method:
Reverse Phase/Missing Phase Error
Indicate or Display:
Outdoor Unit : LED1 Flash, LED5 1 Time Blink
Indoor Unit : Operation LED Flash, Timer LED 3 Times Blink
Swing LED 3 Times Blink
ERROR CODE : E : 32
Detective Actuators:
Outdoor Unit Controller PCB circuit
Detective details:
When Reverse Protection Circuit (Relay) detects the reverse phase input, or a
normal input was not conducted.
Check Point 1 : Check connection failure
p Check if the terminal connection is loose.
p Check if cable is cut open.
>> If connection is repaired, turn on the power again and
make sure it operates normally.
Check Point 2 : Replace Controller PCB
OK
p Which has an error, Main Unit? Or Slave Unit?
Slave
Unit
p Replace Controller PCB and set up the original address.
p Check Inverter PCB and Filter PCB. (PARTS INFORMATION 4)
If no defect is found, replace Controller PCB and set up the original address.
Master
Unit
Forecast of Cause : 1. Connection failure 2. Controller PCB failure
3. Filter PCB failure or Inverter PCB failure (In case of Master Unit)
06-47