Fujitsu AUXG30KRLB, Service Instruction

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Detective Actuators:
Detective details:
Forecast of Cause :
OK OK
Indicate or Display:
Check Point 2 : Replace Inverter PCB
Outdoor unit Inverter PCB
Outdoor unit Main PCB
Compressor
Trouble shooting 29
OUTDOOR UNIT Error Method:
Trip detection
02-30
OK OK
Check Point 3 : Replace Main PCB
If Check Point 1,2 do not improve the symptom, change Main PCB.
If Check Point 1 do not improve the symptom, change Inverter PCB.
OK OK
Check Point 4 : Replace Compressor
If Check Point 3 do not improve the symptom, change Compressor.
1. Outdoor unit fan operation defective, foreign matter on hear exchanger,
excessive rise of ambient temperature
2. Main PCB
3. Inverter compressor failure (lock, winding short)
4. Inverter PCB
" Protection stop by overcurrent generation after inverter compressor start
processing completed'' generated consecutively 10 times.
*The number of generations is reset if the start-up of
the compressor succeeds.
No obstructions in air passages?
Heat exchange fins clogged
Outdoor unit fan motor check
Ambient temperature not raised by the effect of other heat sources?
Discharged air not sucked in?
Check Point 1 : Check the outdoor unit fan operation, heat exchanger, ambient temperature
Error code : 94
Outdoor unit :
n: n times blinking : Light ON : Light OFF
Mode Error L1 L2 L6 L5 L4 L3
2 9
4