E: 35.↓. Manual Auto Button Error (Indoor Unit) - Fujitsu AUUH18LUAS Service Manual

2-11. E: 35.X. MANUAL AUTO button error (Indoor unit)
→ired remote
Indicator
controller
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 opera-
tion by using a meter.
Check point 2. Replace the main PCB and indicator PCB
If Check Point 1 does not improve the symptom, replace the main PCB and indicator PCB.
2-11. E: 35.↓. MANUAL AUTO button error (Indoor unit)
Error code
End
→hen the MANUAL AUTO button becomes on for
consecutive 60 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) -
E: 35
2. Troubleshooting with error code