10
English
The following symptoms do not indi-
cate air conditioner malfunction
I.
THE SYSTEM DOES NOT OPERATE
• The system does not restart immediately
after the ON/OFF button is pressed.
If the OPERATION lamp lights, the system
is in normal condition. It does not restart
immediately because a safety device
operates to prevent overload of the sys-
tem. After 3 minutes, the system will turn
on again automatically.
• The system does not restart immedi-
ately when TEMPERATURE SETTING
button is returned to the former posi-
tion after pushing the button.
It does not restart immediately because a
safety device operates to prevent overload
of the system. After 3 minutes, the system
will turn on again automatically.
• If the reception beep is rapidly repeated
3 times (It sounds only twice when
operating normally.)
Control is set to the optional controller for
centralized control.
• If the defrost lamp on the indoor unit’s
display is lit when heating is started.
This indication is to warn against cold air
being blown from the unit. There is
nothing wrong with the equipment.
I.
EMERGENCY STOP
When the air conditioner stops in emergency,
the run lamp on the indoor unit starts blinking.
Take the following steps yourself to read the
malfunction code that appears on the dis-
play. Contact your dealer with this code. It will
help pinpoint the cause of the trouble, speed-
ing up the repair.
6. NOT MALFUNCTION OF
THE AIR CONDITIONER
7. HOW TO DIAGNOSE
TROUBLE SPOTS
Press the INSPECTION/TEST button
to select the inspection mode “
”.
“
” appears on display and blinks. “UNIT”
lights up.
Press PROGRAMMING TIMER BUT-
TON and change the unit number.
Press to change the unit number until the
indoor unit beeps and perform the following
operation according to the number of beeps.
Number of beeps
3 short beeps .....Perform all steps from
to .
1 short beep .......Perform
and
steps
1 long beep ........Normal state
Press OPERATION MODE SELECTOR
BUTTON
“
” on the left-hand of the malfunction code
blinks.
Press PROGRAMMING TIMER BUT-
TON and change the malfunction code.
Press until the indoor unit beeps twice.
1
TEST
2
DOWN
UP
3
6
3
6
MODE
3
4
DOWN
UP
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