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(c) Self-diagnosis with remote controller
With the indoor unit control, self-diagnosis of protective circuit action can be done by turning the remote
controller operation into service mode, operating the remote controller, observing the remote controller
indicators and checking whether TIMER lamp flashes (5 Hz).
NOTE :
• To perform this self-diagnosis, the remote controller 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 bottom 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 bottom of the wireless remote controller with a tip of pencil for
more than 3 seconds. Make sure the operation mode display, wind volume display, clock display and setting
temperature display 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.
ACL CLOCK
(Rear bottom of remote control)
ACL
CLOCK
All clear button
Switch for selecting
service mode
Rear bottom cover