Design and Technical Manual

6. SYSTEM DESIGN
FUNCTION SETTINGS5.
OUTDOOR UNIT5-1.
SWITCH POSITION

LED981
POWER
/ MODE
LED982
ERROR
LED961 LED962
MODE /
EXIT
SW931
SELECT
SW932
ENTER
SW933
CHECK
SW934
Outdoor unit printed circuit board
LED lamp
7 Segment
LED Lamp
Push button
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

Be sure to check that the operation of the outdoor unit has stopped (be sure to stop the 1)
operation if it is still running), and turn off the power.
Remove the front panel of the outdoor unit, and remove the lid of the electrical component box 2)
in order to expose the printed circuit board.
Turn on the power of the outdoor unit.3)
As shown in the figure below, make sure that the POWER/MODE indicator lamp (LED981) is ●
on and the ERROR indicator lamp (LED982) is off.
LED981
POWER
/ MODE
LED982
ERROR
LED961 LED962
When the system is normal
(Off)
(On)
(Off)
(Off)
If the ERROR indicator lamp (LED982) ashes, 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.
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SYSTEM DESIGN SYSTEM DESIGN