TROUBLESHOOTING
You can solve many common air conditioner problems easily, saving you the cost of a service call. Try the suggestions below to
see whether you can solve your problem without outside help.
Air conditioner will not operate.Air conditioner cycles on and off too much, or does not
cool.
The power supply cord is unplugged. Plug into a grounded
3 prong outlet. See ?Electrical Requirements.?FAN control is set to POWER SAVER (on some models).
A household fuse has blown or circuit breaker has Use Power Saver only when you are away from home or
tripped. Replace the fuse or reset the circuit breaker. Plug asleep, since the fan does not circulate the room air
continuously. Use Low Cool, High Cool (on some models) or
into a grounded 3 prong outlet. See ?Electrical Turbo Cool for your best comfort.
Requirements.?
The Fan control is turned to the off position (on some The air conditioner is not properly sized for your room.
models). Turn the FAN control to an active setting.Check the cooling capabilities of your room air conditioner.
Room air conditioners are not designed to cool multiple
The local power has failed. Wait for power to be restored.rooms.
The filter is dirty or obstructed by debris. Clean the filter.
Air conditioner blows fuses or trips circuit breakers.The inside evaporator and outside condenser coils are
dirty or obstructed by debris. See ?Annual Maintenance.?
Too many appliances are being used on the same circuit.
Unplug or relocate appliances that share the same circuit.There is excessive heat or moisture (open container
Time-delay fuse or circuit breaker of the wrong capacity cooking, showers, etc.) in the room. Use a fan to exhaust
is being used. Replace with a time-delay fuse or circuit heat or moisture from the room. Try not to use heat-
producing appliances during the hottest part of the day.
breaker of the correct capacity. See ?Electrical
Requirements.?The louvers are blocked. Install the air conditioner in a
An extension cord is being used. Do not use an extension location where the louvers are free from curtains, blinds,
cord with this or any other appliance.furniture, etc.
The outside temperature is below 65°F (18°C). Do not try to
You are trying to restart the air conditioner too soon after operate your air conditioner in the cooling mode when the
turning the Fan off (or unplugging air conditioner). Wait at outside temperature is below 65°F (18°C).
least 3 minutes after turning the Fan off before trying to
restart the air conditioner.The temperature of the room you are trying to cool is
extremely hot. Allow extra time for the air conditioner to cool
off a very hot room.
Air conditioner seems to run too much.
Windows or doors to the outside are open. Close all
The current air conditioner replaced an older model. The windows and doors.
use of more efficient components may cause the air The Exhaust control is set to OPEN (on some models). Set
conditioner to run longer than an older model, but the total
energy consumption will be less. Newer air conditioners do the Exhaust control to CLOSED for maximum cooling.
not emit the ?blast? of cold air you may be accustomed to The Thermostat control is not at a cool enough setting.
from older units, but this is not an indication of lesser cooling Adjust the Thermostat control to a cooler setting by turning
capacity or efficiency. Refer to the efficiency rating (EER) and the knob clockwise. Turn FAN control to TURBO COOL (on
capacity rating (in BTUs/hr.) marked on the air conditioner.some models).
The air conditioner is in a heavily occupied room, or heat-
producing appliances are in use in the room. Use exhaust Water drips from cabinet into your house.
vent fans while cooking or bathing and try not to use heat-
producing appliances during the hottest part of the day. A The air conditioner is not properly leveled. The air
higher capacity air conditioner may be required, depending conditioner should slope slightly downward toward the
on the size of the room being cooled.outside. Level the air conditioner to provide a downward
slope toward the outside to ensure proper drainage. See the
Installation Instructions.
NOTE: Do not drill a hole in the bottom of the metal base and
condensate pan.
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ACEC
