BEFORE CALLING FOR SERVICE
Check
the following
list to be sure a service
call is really necessary.
A quick
reference
to this manual
may
help you avoid an unneeded
service
call.
THE AIR CONDITIONER
WILL NOT OPERATE
Check
if...
Wall plug disconnected.
House fuse btown or circuit breaker tripped.
Power is OFF.
Unit was turned off and then on too quickly.
TEMP Control set warmer than room temperature.
Then...
Push plug firmly into wall outlet.
Replace fuse with time delay type or reset circuit breaker.
Push the power button.
Set unit off and wait 3 minutes before restarting.
Set TEMP Control to cooler temperature.
AIR FROM
UNIT
DOES
NOT
FEEL
COLD
ENOUGH.
Check
if...
Then...
FAN SPEED set at LOW.
Push FAN SPEED button to set at HI.
TEMP Control set too warm.
Set TEMP Control to a cooler temperature.
Room temperature below 70F (21C).
Cooling may not occur until room temperature rises above 70F (21C).
Temperature sensing tube touching evaporator coil,
Remove front grille, then Straighten tube away from evaporator coil.
located behind front grille.
THE AIR CONDITIONER COOLING, BUT ROOM t8 TOO WARM-ICE
FORMING ON COOLING COIL BEHIND FRONT GRILLE.
Check
if...
Then...
Outdoor temperature below 70°F (21°C).
To defrost the coil, set the MODE to FAN.
Air filter may be dirty.
Clean air filter. Refer to Maintenance section of owner's manual.
TEMP Control set too cold for night-time cooling.
To defrostthe coil,set the MODE to FAN or Cool withthe TEMPcontrol to
warmertemperature.
THE AIR CONDITIONERCOOUNG, BUT ROOM18TOO WARM.
Check
if...
Then...
Dirty air filter - air restricted.
Clean air filter. Refer to Maintenance section of owner's manual.
TEMP Control set too warm.
Set TEMP Control to cooler temperature.
Front of unit is blocked by drapes, blinds, furniture, etc.
Clear blockage in front of unit.
Air distribution is restricted.
Doors, windows, registers, etc. open. Cotd air escapes.
Close doors, windows, registers, etc.
Unit recently turned on in hot room.
Allow additional t ime to removestoredheatfrom walls,ceiling,floor,and furniture.
THE
AIR CONDITIONER
TURNS
ON AND
OFF
RAPIDLY.
Check
if...
Then...
I Outside temperature is extremely hot.
I Set FAN SPEED on High to bring air past cooling coils faster.
I
NOISE
WHEN
UNIT
IS COOLING.
Check
if...
Then...
Sound of fan hitting water from the moisture removal system.
This is normal when humidity is high. Close doors, windows, and registers.
Window vibration - poor installation.
Refer to installation instructions or check with installer.
WATER
DRIPPING
INSIDE
ROOM
WHEN
UNIT
IS COOLING.
Check
if...
Then...
The air conditioner is improperly installed.
Tiltinstallation
air conditioner
instructions
slightly or tocheck
the outside
with installer,
to allow water drainage. Refer to
WATER
DRIPPING
OUTSIDE
WHEN
UNIT
IS COOLING.
Check
if...
Then...
The unit is removing large quantities of moisture
This is normal during excessively humid days.
from humid room.
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