Fujitsu AO G18KATA Series Service Instruction page 49

Trouble shooting 11
INDOOR UNIT Error Method:
Manual auto switch Error
Detective Actuators:
Indoor unit Controller PCB
Indicator PCB
Manual auto switch
Forecast of Cause:
1. Manual auto switch failure
Check Point 1 : Check the Manual auto switch
Check if Manual auto switch is kept pressed.
Check ON/OFF switching operation by using a meter.
>>If Manual auto switch is disabled (on/off switching), replace it.
OK
Check Point 2 : Replace Controller PCB
If Check Point 1 do not improve the symptom,
change Controller PCB and Indicator PCB.
Indicate or Display:
Error code : 35
Detective details:
When the Manual Auto Switch becomes ON
for consecutive 60 or more seconds.
2.Controller PCB and Indicator PCB failure
02-12
Outdoor unit : No indication