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Owner's
Manual
21
ENGLISH
Maintenance
and
Service
The
air
conditioner
may
be
operating
abnormally
when:
Problem
The
air
conditioner
is
unplugged
or
not
plugged
in
completely.
The
fuse
is
blown/circuit
breaker
is
triggered.
Power
failure.
Air
flow
is
restricted.
TEMP
Control
set
too
higher
number.
The
air
filter
is
dirty.
The
air
conditioner
was
just
turned
on.
Cold
air
is
escaping.
Cooling
coils
are
iced
up.
The
cooling
coils
are
iced
over.
The
air
conditioner
does
not
operate
at
all
Air
conditioner
does
not
cool
Ice
appears
on
the
air
conditioner.
?
Make
sure
the
plug
is
completely
plugged
into
the
outlet.
?
Check
the
fuse/circuit
breaker
box
and
replace
the
fuse
or
reset
the
breaker.
?
In
the
event
of
a
power
failure,
set
the
power
control
to
OFF.
When
the
power
is
restored,
wait
3
minutes
to
restart
the
air
conditioner
to
prevent
the
compressor
from
overloading.
?
Make
sure
there
are
no
curtains,
blinds,
furniture
or
other
obstacles
in
front
of
the
air
conditioner.
?
Set
the
TEMP
control
to
a
lower
number.
?
Clean
the
filter
at
least
every
2
weeks.
Refer
to
the
"Maintenance
and
Service"
section
(p.19)
of
the
manual.
?
After
the
air
conditioner
is
turned
on,
you
need
to
give
the
air
conditioner
some
time
to
cool
the
room.
?
Check
for
open
furnace
floor
resisters
and
cold
air
returns.
?
CLOSE
the
air
conditioner
vent.
?
See
Ice
appears
on
the
air
conditioner
below
?
Ice
may
block
the
air
flow
and
obstruct
the
air
conditioner
from
properly
cooling
the
room.
Set
the
mode
control
at
High
Fan
or
High
Cool
with
the
high
temperature.
What
To
Do
Possible
Causes
Troubleshooting