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11
Before
you
call
for
service...
Before you call for service...
Troubleshooting
Tips
save
time
and
money!
Review
the
chart
below
first
and
you
may
not
need
to
call
for
service.
Problem
Possible
Causes
What
To
Do
The
air
conditioner
is
unplugged.
The
fuse
is
blown/circuit
breaker
is
tripped.
Power
failure.
Airflow
is
restricted.
The
THERMOSTAT
may
not
be
set
high
enough.
The
air
filter
is
dirty.
The
room
may
have
been
hot.
Cold
air
is
escaping.
Cooling
coils
have
iced
up.
Ice
blocks
the
air
flow
and
stops
the
air
conditioner
from
cooling
the
room.
?
Make
sure
the
air
conditioner
plug
is
pushed
completely
into
the
outlet.
?
Check
the
house
fuse/circuit
breaker
box
and
replace
the
fuse
or
reset
the
breaker.
?
If
power
failure
occurs,
turn
the
mode
control
to
Off.
When
power
is
restored,
wait
3 minutes
to
restart
the
air
conditioner
to
prevent
tripping
of
the
compressor
overload.
?
Make
sure
there
are
no
curtains,
blinds,
or
furniture
blocking
the
front
of
the
air
conditioner.
?
Turn
the
knob
to
a
higher
number.
The
highest
setting
provides
maximum
cooling.
?
Clean
the
filter
at
least
every
2
weeks.
See
the
care
and
Maintenance
section.
?
When
the
air
conditioner
is
first
turned
on,
you
need
to
allow
time
for
the
room
to
cool
down.
?
Check
for
open
furnace
floor
registers
and
cold
air
returns.
?
See
Air
Conditioner
Freezing
Up
below.
?
Set
the
mode
control
at
High
Fan
or
High
Cool
with
thermostat
at
1
or
2.
Air
conditioner
does
not
start
Air
conditioner
does
not
cool
as
it
should
Air
conditioner
freezing
up
Normal
Operating
?
You
may
hear
a
pinging
noise
caused
by
water
being
picked
up
and
thrown
against
the
condenser
on
rainy
days
or
when
the
humidity
is
high.
This
design
feature
helps
remove
moisture
and
improve
efficiency.
?
You
may
hear
the
thermostat
click
when
the
compressor
cycles
on
and
off.
?
Water
will
collect
in
the
base
pan
during
high
humidity
or
on
rainy
days.
The
water
may
overflow
and
drip
from
the
outdoor
side
of
the
unit.
?
The
fan
may
run
even
when
the
compressor
does
not.
Abnormal
Operation