Fujitsu AB*A12, Service Manual

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Trouble shooting 40
OUTDOOR UNIT Error Method:
Inverter Start-up Current Error
(Only for Main Unit)
Indicate or Display:
Outdoor Unit : LED1 Flash, LED5
4 Times Blink
Indoor Unit : Operation LED
ERROR CODE : E : 32
Detective Actuators:
Outdoor Unit Controller PCB circuit
Inverter PCB
Detective details:
When Start-up over current shut-down error is detected on Inverter PCB,
Inverter compressor is once stopped and restarted, then Start-up over current
Shut-down error is detected 10 times continuously at the frequency of lower
than 30Hz.
Check Point 1 :Check Filter PCB and Inverter PCB
p
Check connection of Inverter PCB and Filter PCB (Loose connector, Cable cut open, etc.)
p
Check Filter PCB and Inverter PCB. (PARTS INFORMATION 4)
Check Point 2 : Check Inverter Compressor
If the symptom does not change with above Check 1, check Inverter Compressor
since the Inverter Compressor may be defective. (PARTS INFORMATION 1,3)
OK
Forecast of Cause : 1. Outside cause 2. Electrical Component connection failure 3. Controller PCB failure
06-50
Blink, Timer LED 3Time Blinks,
Swing LED 3Time Blinks,