10
GB
D
F
SW
I
NL
E
P
ON/OFF
TEMP.
˚C
˚C
FILTER
3.8.3.
Flashing “Filter”
■
Indicates that the filter needs cleaning.
Clean the filter.
■
When resetting “FILTER” display
When the [FILTER] button is pressed two times successively after cleaning the
filter, the display goes off and is reset.
3.8.4.
Flashing Error Codes
●
If the ON lamp and error code are both flashing: This means that the air condi-
tioner is out of order and operation has been stopped (and cannot resume).
Take note of the indicated unit number and error code, then switch off the
power to the air conditioner and call your dealer or servicer.
●
If only the error code is flashing (while the ON lamp remains lit): Operation is
continuing, but there may be a problem with the system. In this case, you should
note down the error code and then call your dealer or servicer for advice.
* If you have entered contact number to be called in the event of a problem,
push the Check button to display it on the screen. (You can set this up under
Function Selection of remote controller. For information, refer to Installation
Manual)
Even minimal steps to care for your air conditioner can help make its use far
more effective in terms of air-conditioning effect, electricity charges, etc.
Set the right room temperature
•
In cooling operation, a temperature difference of about 5
°
C between indoors
and outdoors is optimum.
•
If the room temperature is raised by 1
°
C during air-cooling operation, about 10%
electric power can be saved.
•
Excessive cooling is bad for health. It also results in the waste of electric power.
4. The smart way to use
Clean the filter thoroughly
•
Air filter is not provided within the unit, however correctly sized filter (field sup-
ply) must be installed in the return air.
•
If the screen of the air filter becomes clogged, the airflow and air-conditioning
effect can be significantly reduced. Further, if the condition is left unattended,
failure can result. It is particularly important to clean the filter at the beginning
of the cooling and heating seasons. (When profuse dust and dirt have accu-
mulated, clean the filter thoroughly.)
ON/OFF
TEMP.
˚C
˚C
ON/OFF
˚C
˚C
ERROR CODE
Error Code
ON/OFF
CALL:XXXX
XXX:XXX
When the Check button is pressed:
ON/OFF
TEMP.
˚C
˚C
˚C
˚C
1
˚C
˚C
FUNCTION
1
˚C
˚C
FUNCTION
1
s
How to Lock the Buttons
1. While holding down the Filter
button
4
, press and hold down the ON/
OFF button
1
for 2 seconds. The “Locked” indication appears on the screen
(at
1
), indicating that the lock is now engaged.
* If locking has been disabled in Function Selection of remote controller,
the screen will display the “Not Available” message when you press the
buttons as described above.
•
If you press a locked button, the “Locked” indication (at
1
) will blink on the
display.
s
How to Unlock the Buttons
1. While holding down the Filter
button
4
, press and hold down the ON/
OFF button
1
for 2 seconds—so that the “Locked” indication disappears
from the screen (at
1
).
3.8. Other indications
3.8.1.
Centrally Controlled
●
Displayed when operation is controlled by central controller, etc.
Restricted operations are shown below.
• ON/OFF (including timer operation)
• Operation mode
• Set temperature
Note:
May also be individually restricted.
3.8.2.
Flashing Mode Indicator
■
When flashes continuously
Displayed when another indoor unit connected to the outdoor unit is already
operating in a different operation mode.
Match with the operation mode of the other indoor unit.
■
When mode switched after display flashes
Displayed when operation mode is restricted for each season by central con-
troller, etc.
Use another operation mode.
ON/OFF
ERROR CODE
Indoor Unit’s
Refrigerant
Address
Error Code
Indoor Unit No.
ON lamp
(Flashing)
Alternating Display
If you have entered contact number to be called in the event of a problem,the
screen displays this number.
(You can set this up under Function Selection of remote controller. For
information, refer to Installation Manual.)
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