1
2
Press [ON / OFF ] button
If there is no fault with a code, the indoor unit will beep
once (Beep) and the display of the remote controller will
change as follows :
•••
• The TIMER indicator of the indoor unit fashes continuously.
(5 times per 1 sec.)
Check the unit with all 52 check codes ( to )
as shown in Table-11-4-1.
•
If there is a fault, the indoor unit will beep for 10
seconds (Beep, Beep, Beep...).
Note the check code on the display of the remote
controller.
3
4
Alphanumeric characters are
used for the check codes.
Fig. 11-4-1
is 6.
is 5.
is A.
is C.
is B.
is D.
1. If the lamps are indicated as shown B to E in Table 11-4-1, execute the self-diagnosis by the remote controller.
2. When the remote controller is set to the service mode, the indoor controller diagnoses the operation condition
and indicates the in formation of the self-diagnosis on the display of the remote controller with the check codes.
If a fault is detected, all lamps on the indoor unit will flash at 5Hz and it will beep for 10 seconds
(Beep, Beep, Beep ... ). The timer lamp usually flashes (5Hz) during self-diagnosis.
• “ ” is indicated on the display of the remote
controller.
• Press [ON / OFF ] button to change the check
code backward.
• 2-digits alphanumeric will be indicated on the display.
• All indicators on the indoor unit will flash.
(5 times per 1 sec.)
•
"7F" is indicated on the display of the remote
control.
•
The display of the remote controller returns to as
it was before service mode was engaged.
11-4-1. How to Use Remote Controller in Service Mode
11-4. Self-Diagnosis by Remote Controller (Check Code)
Press [CHECK] button with a tip of pencil to set the
remote controller to the service mode.
Press [CHECK] then [CLR] button. After service
finish for clear service code in memory.
Press [ ] button to release the service mode.
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