Fujitsu AMUG24LMAS Service Manual page 60

Troubleshooting 7
Connection unit number error
(Indoor unit in wired remote control system)
Detective actuators:
Wired remote control (2-Wire)
Indoor unit controller PCB circuit
Detective details:
When number of connecting indoor units
are out of specified rule.
Forecast of cause :
1. Wrong wiring / number of indoor units, remote control in RC-group
2. Indoor unit controller PCB defective
Check Point 1 : Wire installation
Wrong number of connecting indoor unit
Check Point 2 : Check Indoor unit controller PCB
Check if controller PCB damage
Check if controller PCB and check the error
after setting remote control address
Indicate or Display:
Indoor unit
Operation lamp: 2 times Flash,
Timer lamp
Wired remote control
Error code : [E : 29]
Outdoor unit (AOUG36/48LMAS1)
Mode Error
2
: Light OFF
03-12
: 9 times Flash
A B C D E
5 15
: Light ON n : n times blinking
F