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T ro ub l es h o o t ing
Cooling (Heating) eff ect is poor.
• Are the air fi lters clean?
• Is there anything to block the air inlet or the outlet of
the indoor and the outdoor units?
• Is the temperature setting appropriate?
• Are the windows and doors closed?
• Are the airfl ow rate and the airfl ow direction set
appropriately?
Rem o t e co nt ro l l er d o es no t w o rk
p ro p erl y .
N o rem o t e co nt ro l l er s ig na l s a re d is p l a y ed .
T h e rem o t e co nt ro l l er s ens it iv it y is l o w .
T h e d is p l a y is l o w in co nt ra s t o r b l a cked o ut .
T h e d is p l a y runs o ut o f co nt ro l .
• The batteries are dying and the remote controller is
malfunctioning. Replace all the batteries with new, size
AAA.LR03 (alkaline). For details, refer to “To set the
batteries” of this manual.
Page 9
T h e o p era t io n m o d e d is p l a y o f t h e
rem o t e co nt ro l l er is unus ua l .
Heating cannot be selected, even though the
unit is h ea t p um p m o d el .
• Slide the DIP switch to the left as shown in the
illustration so that the HEAT operation can be selected
with the MODE selector button.
T h e L C D d is p l a y s A U T O a nd H E A T o p era t io n
m o d es t h o ug h t h e unit is a co o l ing o nl y m o d el .
• Slide the DIP switch to the right as shown in the illustration so
that the AUTO and HEAT operation displays will disappear.
DIP switch
[ H e a t p u m p m o d e l ]
[ C o o l i n g o n l y m o d e l ]
DIP switch
T h e O N / O F F T I M E R d o es no t
o p era t e a cco rd ing t o t h e s et t ing s .
• Check if the ON/OFF TIMER and the WEEKLY TIMER
are set to the same time.
Change or deactivate the settings in the WEEKLY
TIMER.
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T h e ind o o r unit g iv es o ut o d o ur.
• This happens when smells of the room, furniture, or
cigarettes are absorbed into the unit and discharged
with the airfl ow.
( If this happens, we recommend you to have the
indoor unit washed by a technician. Consult the
service shop where you bought the air conditioner.)
T h e o ut d o o r fa n ro t a t es w h il e t h e
a ir co nd it io ner is no t in o p era t io n.
A ft er o p era t io n is s t o p p ed
• The outdoor fan continues rotating for another
60 seconds for system protection.
W h il e t h e a ir co nd it io ner is no t in o p era t io n
• When the outdoor temperature is very high, the
outdoor fan starts rotating for system protection.
A n a b no rm a l funct io ning h a p p ens
d uring o p era t io n.
• The air conditioner may malfunction with lightning or
radio waves. Turn the breaker off , turn it on again and
try operating the air conditioner with the remote
controller.
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