Fujitsu AUXG07KVLA Service Manual page 240

2-8. E: 29. Connected unit number error (Indoor unit)
Indicator Indoor unit
Wired remote controller (2-wire)
Detective actuator
Indoor unit main PCB
Forecast of cause
Check point 1. Wire installation
• Wrong 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.
2-8. E: 29. Connected unit number error (Indoor unit)
Operation indicator
Timer indicator
Economy indicator
Error code
↓
↓
End
Continuous flash
When the number of the connected indoor unit exceeds
the limitation.
Wrong wiring of indoor unit or remote controller
Number of indoor unit or remote controller in remote
controller group
Indoor unit main PCB failure
- (03-24) -
2 time flash
9 time flash
E: 29
2. Troubleshooting with error code