Fujitsu AUXB04GALH Service Manual page 12

1-2-4 Automatic address setting for Indoor units
Check that the rotary switch IU AD on the indoor unit
Main PCB is set to "00". If it is not set to "00",
it means the address of that device is not set.
(Factory default is "00").
Turn on the power of the indoor and outdoor units.
When the system is normal, nothing will be displayed
on the 7 segment display.
When ERROR is displayed, inspect the units.
Use the "MODE/EXIT", "SELECT", and "ENTER" buttons
on the outdoor unit Main PCB to configure settings
according to the procedures below.
First 2 digits Last 2 digits
M
SELECT
SELECT
ENTER
First 2 digits Last 2 digits
SELECT
ENTER
Found
Error
ENTER
End
1: FUNCTION Setting
(the display when the main power is turned on)
(When [F4] to [F9] are displayed, continue to press the "SELECT" button until [F3] is displayed.)
Automatic address setting
for indoor units
Press the "SELECT" button until "11" is displayed.
Press the "ENTER" button for more than 3 seconds.
It may take about 10 minutes for completing the processing.
The number of indoor units with normal settings will be displayed at the first 2 digits of
the 7 segment display.
The number of indoor units with error will be displayed at the last 2 digits.
NOTE) After the "ENTER" button is pressed, the end processing will occur for about 30 seconds.
During this period, the 7 segment will blink.
SWITCH POSITION
Outdoor unit printed circuit board
01-07
POWER
ERROR
MODE
7 Segment
LED101 LED102
LED Lamp
(GREEN) (RED)
LED105 LED104
MODE
SELECT ENTER
/EXIT
Push button switch
SW107 SW108 SW109