E: 35. Manual Auto Button Error (Indoor Unit) - Fujitsu ABYG18KRTA Service Manual

2-9. E: 35. MANUAL AUTO button error (Indoor unit)

Wired 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 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.
2-9. E: 35. MANUAL AUTO button error (Indoor unit)
Error code
↓
↓
End
When 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.
- (03-13) -
E: 35
2. Troubleshooting with error code