Fujitsu AMUG24LMAS Service Manual page 59

Troubleshooting 6
Address setting error in wired remote control system
Detective actuators:
Wired remote control (2-Wire)
Indoor unit Controller PCB circuit
Detective details:
Wrong wire connection.
Forecast of cause :
1. Wrong wiring of remote controller
2. Indoor unit controller PCB failure
3. Remote control failure
Wire installation
Check Point 1 :
Wrong wire connection in RC-group (Please refer to the installation manual)
Wrong RC-group setting
Check Point 2 :
The given address number by auto setting (00) and the manual set number (Except 00) were not existing in one RCG.
The remote control address setting by U.I. were not existing same address.
The duplicated address number is not existing in one RC-group
Check indoor unit controller PCB
Check Point 3 :
Check if controller PCB damage
Change 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 : 26]
Outdoor unit (AOUG36/48LMAS1)
Mode Error
2
: Light OFF
03-11
: 6 times Flash
A B C D E
15
5
: Light ON n : n times blinking
F