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(2) Self-diagnosis with remote control
With the indoor unit control, self-diagnosis of pro-
tective circuit action can be done by turning the
remote control operation into service mode, oper-
ating the remote control, observing the remote
control indicators and checking whether TIMER
lamp flashes (5 Hz).
Note :
• To perform this self-diagnosis, the remote
control with the service code of 43069666 is
required.
<How to select remote control operation mode>
1) Selecting service mode
Push the switch button provided on rear bot-
tom of the wireless remote control with a tip of
pencil for more than 3 seconds. Make sure
the setting temperature is displayed on
the display and other display is turned off.
2) Selecting ordinary mode
Push the all clear button (ACL) on the rear bot-
tom of the wireless remote control with a tip of
pencil for more than 3 seconds. Make sure
the operation mode display, wind volume dis-
play, clock display and setting temperature dis-
play are turned on and “
:
” of the clock display
is flashing.
<Cautions when doing service>
1) After completion of servicing, always push the
all clear (ACL) button to return the operation
mode to the normal mode.
2) After completion of servicing by the check
code, turn off the power once and then turn on
the power to reset memorized contents of the
microcomputer to the initial status.
Fig. 9-2-1
“ ”
ACL CLOCK
(
Rear bottom of remote control
)
ACL
CLOCK
All clear button
Switch for selecting
service mode
Rear bottom cover