
28
Room
Air
Conditioner
Common
Issues
Micom
Model
Problem
Possible
Causes
What
To
Do
The
air
conditioner
is
unplugged.
The
fuse
is
blown/circuit
breaker
is
tripped.
Power
failure.
Airflow
is
restricted.
TEMP
Control
set
to
a
higher
number.
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.
?
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.
?
Set
the
TEMP
Control
to
a
lower
number.
?
Clean
the
filter
at
least
every
2
weeks.
See
the
operating
instructions
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.
?
Set
the
air
conditioner's
vent
to
the
closed
position.
?
See
Air
Conditioner
Freezing
Up
below.
?
Set
the
mode
control
at
High
Fan
at
a
high
temperature.
Air
conditioner
does
not
start
Air
conditioner
does
not
cool
as
it
should
Air
conditioner
freezing
up
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