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TROUBLESHOOTING
Before calling for service, try the suggestions below to see whether you can solve your problem without outside help.
Air conditioner will not operate
If you experience
Air conditioner seems to run too
Air conditioner cycles
much.
on and off too much or
does not cool room in
Cooling mode
Airflow is restricted.
The temperature control may not be
set correctly.
The air filter is dirty.
The room may be too warm.
Cold air is escaping.
The cooling coils are frozen.
The air conditioner is
Ice blocks the air flow and stops the
freezing up
air conditioner from cooling the room.
Water is dripping outside
Hot and humid weather.
Water is dripping inside
The air conditioner is not properly
the room
leveled.
Water collects in the
Moisture removed from the air is
base pan
draining into the base pan.
12
Possible Causes
Solution
The current air conditioner replaced an older model. The use of
more efficient components may cause the air conditioner to run
longer than an older model, but the total energy consumption will
be less. Newer air conditioners do not emit the "blast" of cold
air you may be accustomed to from older air conditioners, but
this is not an indication of lesser cooling capacity or efficiency.
Refer to the efficiency rating (EER) and capacity rating (in BTU/h)
marked on the air conditioner.
The air conditioner is in a heavily occupied room, or heat-
producing appliances are in use in the room. Use exhaust vent
fans while cooking or bathing and try not to use heat-producing
appliances during the hottest part of the day. A higher-capacity
air conditioner may be required, depending on the size of the
room being cooled.
The louvers are blocked. Install the air conditioner in a location
where the louvers are free from curtains, blinds, furniture, etc.
The temperature setting is not set to a cool-enough setting.
Adjust the cooling mode and/or thermostat to a cooler setting.
The filter is dirty or obstructed by debris. Clean the filter.
Allow extra time for the air conditioner to cool off a very hot
room.
The air conditioner is not properly sized for your room. Check
the cooling capabilities of your room air conditioner. Room air
conditioners are not designed to cool multiple rooms.
There is excessive heat or moisture (open container cooking,
showers, etc.) in the room. Use a fan to exhaust heat or moisture
from the room. Try not to use heat-producing appliances during
the hottest part of the day.
Windows or doors to the outside are open. Close all windows
and doors.
Check for open furnace registers and cold-air returns.
Windows or doors to the outside are open. Close all windows
and doors.
The inside evaporator and outside condenser coils are dirty or
obstructed by debris.
The outside temperature is below 65°F (18°C ). Do not try to
operate your air conditioner in the cooling mode when the
outside temperature is below 65°F (18°C). This reduces the risk
of freezing up or damage to the unit.
Set Mode dial to high fan or high cool and set Temp dial to
1 or 2. You may have to turn off the air conditioner to allow ice to
thaw before using.
This is normal.
For proper water drainage, make sure the air conditioner is
slightly tilted downward toward the outside.
NOTE: Do not drill a hole into the bottom of the metal base and
condensate pan; doing so will reduce cooling performance.
This is normal for a short period in areas with low humidity and
normal for a longer period in areas with high humidity.
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