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Maintenance°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°
Service
To save tinqe and expense,
check the following
before calling an authorized
service station.
Insufficient
Cooling
• Turn Master
Control
to OFF.
• Shut all windows
and doors
in room.
•
Remove
any obstructions
from inside
and outside
louvers.
• Close Vent Door
(available
on some models).
•
Inspect filter
and clean
if dirty.
• Turn Thermostat
and Master
Controls
to coolest
settings.
Under
certain
conditions
the cooling
coils directly
behind
the
filter,
may
ice up and block
the airflow.
This
is a common
occurrence
in
air
conditioners
caused
when
the
outside
temperature
drops
below
70°F
(21°C)
while
the
humidity
remains
high.
If this happens,
simply
turn the unit off and allow
the ice to melt, then
resume normal
operation.
Insufficient
Heating- Heating Models Only
• Turn Master
Control
to OFF.
• Shut all windows
and doors
in room.
•
Remove
any obstructions
from inside
and outside
louvers.
• Close Vent.
• Turn Thermostat
to Warmer
and Master
Control
to HI HEAT.
Unit Fails to Start
• Turn Master
Control
to OFF.
•
Replug
line cord
plug into outlet
to be sure electrical
contact
is being
made. (If firm contact
is not being made,
outlet
may
have to be replaced).
• Turn Master
Control
to HI FAN. If air circulating
fan does not
operate,
check
house circuit
breaker
(or fuses).
Troubleshooting
Guide
Occurrence
Air conditioner
will not operate
Air from
unit does
not
feel cold
enough
Air conditioner
cooling,
but room
is too warm
--
ice forming
on cooling
coil
behind
decorative
front
Air conditioner
cooling,
but room
too warm
--
NO ice forming
on cooling
coil
behind
decorative
front
Noise
when
unit is cooling
Possible
Cause
• Wall plug disconnected,
• House fuse blown or circuit breaker tripped.
• Power
switch
in OFF
position.
• Unit
accidentally
turned
off by moving
the
thermostat
to a higher
temperature
and
then
immediately
turned
back
to a colder
position.
• Unit turned
off and
then
on too
quickly.
• Thermostat
set too low for cooling.
• Selector
in FAN position.
• Thermostat
set too warm.
• Room temperature
below 70°F.
• Outdoor
temperature
below
70°F.
• Dirty
air filter
air restricted.
• Thermostat
set too
cold
for nighttime
cooling.
• Dirty
air filter
air restricted.
• Thermostat
set too
warm.
• Fan selector
set on LOW.
• Air movement
sound.
• Sound of fan hitting water-moisture
removal system.
• Window
vibration
poor installation.
Water
dripping
inside
• Improper installation.
when
unit is cooling
Water
dripping
outside
• Unit removing large quantity of moisture
when
unit is cooling
from humid room.
Solutions
V" Push plug firmly into wall outlet.
Replace fuse with time delay type
or reset circuit breaker.
Turn power switch to ON position.
Wait approximately
3 minutes.
Listen for the compressor to start.
V" If air conditioner
is turned
off,
wait
3 minutes
before
restarting.
V" Adjust
thermostat
to higher
setting
for cooling.
V" Set selector
to COOL
position.
V" Set thermostat
to colder
temperature.
V" Cooling
may
not occur
until
room
temperature
rises above
70°F.
V" To defrost
the coil,
set selector
to FAN position.
Then,
set thermostat
to warmer
position.
V" Clean
filter. See "Cleaning
the Air Filter"
section.
To defrost,
set selector
to FAN.
V" To defrost
the coil,
set selector
to FAN position.
Then,
set thermostat
to a normal
position.
V" Clean
air filter.
Refer
to "Cleaning
Air Filter"
section.
V" Set thermostat
to colder
setting.
_ Set fan speed
selector
to HIGH
for maximum
coolin
q.
V" The sound
of rushing
air is normal.
If too
loud,
turn
selector
to lower
fan
setting.
V" This
is normal
when
humidity
is high.
Close
doors,
windows
and
registers.
V" Refer to installation
instructions
check
with
installer.
V" Tilt air conditioner
slightly
to the
outside
to
allow
water
drainage.
Refer to installation
instructions
check
with
installer.
This
is normal
during
excessively
humid
clays.
8
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