E: 35. Manual Auto Button Error (Indoor Unit) - Fujitsu AOUG12LZAH1 Service Manual

2-6. E: 35. MANUAL AUTO button error (Indoor unit)

Indicator Indoor unit
Indoor unit controller PCB
Detective actuator Indicator PCB
Manual auto switch
Forecast of cause
Check point 1. Check the MANUAL AUTO but-
ton
• 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.
2-6. E: 35. MANUAL AUTO button error (Indoor unit)
Operation indicator
Timer indicator
Economy indicator
Error code
↓
↓
End
Continuous flash
When the MANUAL AUTO button becomes on for
consecutive consecutive 30 or more seconds.
MANUAL AUTO button failure
Controller PCB and indicator PCB failure
If MANUAL AUTO button is disabled (on/off
switching), replace it.
- (03-17) -
3 time flash
5 time flash
E: 35
2. Troubleshooting with error code