Water is produced from the outdoor unit
* •
During heating operation, water may be produced from the
outdoor unit due to the automatic defrosting operation.
<<SEE PAGE 33>>
The lter indicator blinks
• Clean the lter. Afterwards, turn the Filter indicator o.
<<SEE PAGE 24>>
thermo sensor display on the remote controller is
ashing
• The room temperature sensor may be malfunctioning.
Please consult authorized service personnel.
Airow is stopped and
is displayed on the icon
display of the “Monitor” screen
• Airow is stopped due to the automatic defrosting, oil
recovery, or mode mismatch.
Order of timer patterns from [Time 1] to [Time 8] in
[Weekly timer setting] is dierent from what you
registered
• If more than 2 timer patterns per a day are registered in
[Weekly timer setting] and they are not in proper time
order, those patterns are sorted automatically in time
order when you nalize the [Weekly timer setting]. (Sort-
ing function)
<<SEE PAGE 13>>
Humidity does not drop
In the case of dry operation.
• In some conditions of the room, the humidity does not
drop.
• In order to lower the humidity, set a lower room tempera-
ture.
z
Check once more
Does not operate at all
• Has the circuit breaker been turned o?
• Has there been a power failure?
• Has a fuse blown out, or a circuit breaker been tripped?
• Is the timer operating?
• Is key lock enabled?
<<SEE PAGE 26>>
Poor cooling (or heating*) performance
• Is the air lter dusty?
•
Are the air conditioner’s intake grille or outlet port blocked?
• Did you adjust the room temperature settings
(thermostat) correctly?
• Is there a window or door open?
• In the case of cooling operation, is a window allowing
bright sunlight to enter? (Close the curtains.)
• In the case of cooling operation, are there heating
apparatus and computers inside the room, or are there
too many people in the room?
• In the unit set for quiet operation?
• Do you have an arrangement with your electric company
for demand response?
Following functions cannot be set:
• Economy
• Set temp. auto return
• Set temp. range limitation
• On timer
• O timer
• Weekly timer
• Auto-o timer
• If the function you are selecting is restricted by
[Management] function, following message is displayed
in the operation guidance display.
XXXXXX
XXXXXX
Restricted by the management function
Back:
• Has the function setting been set to [Enable] or [On]?
On timer or O timer does not work
• Has there been a power outage? Any power outage
cancels the On or O timer.
• After the power supply is resumed, set the [Enable/
Disable setting] to [Enable] again.
<<SEE PAGE 12, 13>>
Weekly timer does not work
• Have all the necessary settings been completed in
[Weekly timer setting]?
<<SEE PAGE 13 to 20>>
Operation is automatically stopped
• Has o timer been set?
• Has weekly timer been set?
<<SEE PAGE 13>
• Has auto-o timer been set?
<<SEE PAGE 20>>
Operation does not stopped even if auto-o timer has
been set
• Has the operation been started by pressing the [On/O
button] on this remote controller?
•
Has the operation been started by weekly timer or on timer
?
• Has the weekly timer been on during the counting down
of the Auto-o timer?
• Has it been within the valid hour?
<<SEE PAGE 20>>
• Has there been a power outage? Any power outage can-
cels the Auto-o timer.
• Is message [R.C. prohibition (All, on/o)] and
icon
displayed?
<<SEE PAGE 4>>
Set temperature is changed automatically
• Has set temp. auto return been set?
<<SEE PAGE 10>>
Does not return to the set temperature
• Has set temp. auto return been set?
<<SEE PAGE 11>>
Set temperature cannot be changed
• Has set temp. range limitation been set?
<<SEE PAGE 11>>
• Is message [R.C. prohibition (Set temp. all)] and
icon
displayed?
<<SEE PAGE 4>
If the problem persists after performing these checks, or
if you notice burning smells, stop operation immediately,
disconnect the power supply, and consult with authorized
service personnel.
En-32
9381067213-01_OM_En_200904.indd 32 2020/09/04 10:21:51
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