Fujitsu AOU09RL2 Air Conditioner User Manual


 
Trouble shooting 14
OUTDOOR UNIT Error Method:
Detective Actuators:
Detective details:
Outdoor unit Main PCB
Compressor
Trip detection
02-16
Indicate or Display:
Refer to error code table.
When more than normal operating current to IPM in Main PCB flows,
the compressor stops.
After the compressor restarts, if the same operation is repeated
within 40sec, the compressor stops again.
If and repeats 5 times, the compressor stops permanently.
Forecast of Cause :
OK
OK
Check Point 4 : Replace Main PCB
OK
Check Point 1 : Check connections of Outdoor unit electrical components
1. Defective connection of electric components 2. Outdoor heat exchanger clogged 3. Compressor failure
4. Main PCB failure
Check if connector is removed.
Check if the terminal connection is loose.
Check erroneous connection.
Check if cable is open.
>>Upon correcting the removed connector or mis-wiring, reset the power.
Check Point 2 : Check Heat exchanger
Is there anything obstructing the air distribution circuit?
Is there any clogging of Outdoor Heat Exchanger?
Check Point 3 : Check Compressor
Check Compressor. (PARTS INFORMATION 2)
If Check Point 1 ~ 3 do not improve the symptom, change Main PCB.