Fujitsu AUXB04GALH Service Manual page 13

1-2-5 Indoor unit connection check
SWITCH POSITION
Outdoor unit printed circuit board
Please perform the indoor unit connection check according to following procedures.
• Turn on the powerof indoor unit and outdoor unit.
LED105 LED104
MODE/EXIT
SELECT
SELECT
ENTER
SELECT
ENTER
• Press the
more than 3 seconds.
• This will be displayed when the
Indoor unit connection check starts.
POWER
MODE
LED101
(GREEN)
LED105
MODE
SELECT
/EXIT
SW107 SW108
Set to Function mode [F3].
(When [F4] to [F9] are displayed,
continue to press the "SELECT"
button until [F3] is displayed.)
Press the "SELECT" button
until "12" is displayed.
button for
"ENTER"
When indoor unit connection check
can not be performed
ERROR
7 Segment
LED102
LED Lamp
(RED)
LED104
ENTER Push button switch
SW109
(*1)
ENTER
ENTER
When error occurs
ENTER
MODE/EXIT
01-08
• Confirm the number of connected indoor
units and the volume ratio of the indoor
units connection.
(*1) The number of connected indoor units
Ex.) When 8 units are connected
SELECT
(*2) (*2) Volume ratio of the indoor
units connection
Ex.) When the ratio is 120%
• Exit indoor unit connection check mode.
Please refer to the following "Error code"
for details
[ Note ] Error code
22.1: Connecting Indoor units capacity error
24.2: Connecting number of indoor unit error
26.1: Dual address number is existing
Other Error code: Refer to the Trouble shooting
When it finishes normally, nothing will be displayed on
7 segment display.