Fujitsu AOUG09LZAS1, Service Manual

Page: 53 / 179

2-6. E: 35. MANUAL AUTO button error (Indoor unit)
Indicator Indoor unit
Operation indicator 3 time flash
Timer indicator 5 time flash
Economy indicator Continuous flash
Error code E: 35
Detective actuator
Indoor unit controller PCB
When the MANUAL AUTO button becomes on for
consecutive consecutive 30 or more seconds.
Indicator PCB
Manual auto switch
Forecast of cause
MANUAL AUTO button failure
Controller PCB and indicator PCB failure
Check point 1. Check the MANUAL AUTO but-
ton
If MANUAL AUTO button is disabled (on/off
switching), replace it.
• Check if MANUAL AUTO button is
kept pressed.
• Check On/Off switching operation
by using a meter.
↓
Check point 2. Replace main PCB and indicator PCB
If Check Point 1 does not improve the symptom, change main PCB and indicator PCB.
↓
End
2-6. E: 35. MANUAL AUTO button error (Indoor unit)
- (03-17) -
2. Troubleshooting with error code
TROUBLESHOOTING TROUBLESHOOTING