Fujitsu AMUG24LMAS Service Manual page 62

Troubleshooting 9
Manual auto switch error
Detective actuators:
Indoor unit controller PCB
Indicator PCB
Manual auto switch
Detective details:
When the manual auto switch becomes ON
for consecutive 60 or more seconds.
Forecast of cause :
1. Manual auto switch failure
2.Controller PCB and indicator PCB 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.
Check Point 2 : Replace controller PCB
If Check Point 1 do not improve the symptom,
change Controller PCB and Indicator PCB.
OK OK
Indicate or Display:
Indoor unit :
Operation lamp: 3 times Flash,
Timer lamp
Wired remote control
Error code : [E : 35]
Outdoor unit : No indication
03-14
: 5 times Flash