Fujitsu Airstage J-II Series Design & Technical Manual page 696

5) When "11" appears on the LED105, hold down the ENTER button (SW109) for at least 3
seconds.(Unless it is held down for at least 3 seconds, the selection will not be confirmed.)
LED105 LED104
When the Automatic Address Setting function is activated, the display changes to "run."
6) When automatic address setting is completed, the number of indoor units of which automatic
address setting succeeded is displayed on the LED105, and the number of indoor units of
which automatic address setting failed is displayed on the LED104.
Ex.) When 25 indoor units are connected, and the automatic setting of the addresses of all
indoor units ended normally
LED105 LED104
LED105: The number of indoor
units of which automatic
address setting succeeded
Ex.) When 25 indoor units are connected, and the automatic setting of the addresses of 3
indoor units failed
LED105 LED104
LED105: The number of indoor
units of which automatic
address setting succeeded
If automatic address setting failed, make sure that all of the rotary switches SW6 to SW9 on
the PCBs of the failed indoor units are positioned at 0 and that wiring and power supply are
correct, and then perform automatic address setting again.
7) When the ENTER button (SW109) is pressed, it takes about 30 seconds to complete the
setting process. During that time, the LED display flashes.
Setting is complete when the LED display goes off.
LED105 LED104
LED105 LED104
LED105 LED104
(Setting completed)
LED104: The number of indoor
units of which automatic
address setting failed
LED105 LED104
LED104: The number of indoor
units of which automatic
address setting failed
LED105 LED104
- (07 - 49) -
LED105 LED104