Function Setting; Outdoor Unit - Fujitsu AOU48RLXFZ Design & Technical Manual

5.

FUNCTION SETTING

5-1.

OUTDOOR UNIT

SWITCH POSITION
Outdoor unit printed circuit board
● Set the functions of an outdoor unit with the push buttons (SW931, SW932 and SW933) while
observing the 7-segment LED lamps (LED961 and LED962) on the printed circuit board.
PREPARATION
1) Be sure to check that the operation of the outdoor unit has stopped (be sure to stop the
operation if it is still running), and turn off the power.
2) Remove the front panel of the outdoor unit, and remove the lid of the electrical component box
in order to expose the printed circuit board.
3) Turn on the power of the outdoor unit.
● As shown in the above figure, make sure that the POWER/MODE indicator lamp (LED981) is
on and the ERROR indicator lamp (LED982) is off.
(On)
LED981
POWER
/ MODE
LED961
When the system is normal
(Off)
● If the ERROR indicator lamp (LED982) flashes, it indicates that an error has occurred. Check
wiring and power supply. After making sure that the ERROR indicator lamp (LED982) has
turned off, proceed to the next step.
(Off)
LED982
ERROR
LED962
(Off)
- (06 - 50) -
LED lamp
7 Segment
LED Lamp
LED981 LED982
POWER ERROR
/ MODE
LED961 LED962
MODE /
SELECT ENTER CHECK
EXIT
SW931 SW932 SW933 SW934
Push button
6. SYSTEM DESIGN