Fujitsu ADUH09LUAS1 Service Manual

2-7. E: 29. Connected unit number error (Indoor unit)
Indicator
→ired remote
controller
Error code E: 29
Detective actuator
→ired remote controller (2-wire)
→hen the number of the connected indoor unit exceeds
the limitation.
Indoor unit main PCB
Forecast of cause
→rong wiring of indoor unit or remote controller
Number of indoor unit or remote controller in remote
controller group
Indoor unit main PCB failure
Check point 1. →ire installation
• →rong number of connected indoor unit
-> If there is an abnormal condition, correct it by refer to the installation manual or the “DESIGN
& TECHNICAL MANUAL”.

Check point 2. Check indoor unit main PCB
• Check if main PCB is damaged.
• Change main PCB and check the error after setting remote controller address.

End
2-7. E: 29. Connected unit number error (Indoor unit) - (03-11) - 2. Troubleshooting with error code
TROUBLESHOOTING TROUBLESHOOTING

Fujitsu ADUH09LUAS1 Specifications

General

Brand	Fujitsu
Model	ADUH09LUAS1
Category	Air Conditioner
Language	English