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.
The air conditioner is in a heavily occupied room, or heat-
Air conditioner will not operateproducing appliances are in use in the room. Use exhaust
vent fans while cooking or bathing and try not to use heat-
The power supply cord is unplugged. Plug into grounded producing appliances during the hottest part of the day. A
3 prong outlet. See ?Electrical Requirements.?higher capacity air conditioner may be required, depending
on the size of the room being cooled.
The power supply cord has tripped (Reset button has
popped out). Press and release RESET (listen for click; Reset
button will latch and remain in) to resume operation.Air conditioner cycles on and off too much
A household fuse has blown, or a circuit breaker has The Mode is set to Power Saver. Use Power Saver only
tripped. Replace the fuse or reset the circuit breaker. See
?Electrical Requirements.?when you are asleep or away from home. Use Cool and a
higher fan setting for your best comfort.
The Power button has not been pressed. Press POWER.
The air conditioner is not properly sized for your room.
The local power has failed. Wait for power to be restored.Check the cooling capabilities of your room air conditioner.
Room air conditioners are not designed to cool multiple
rooms.
Air conditioner blows fuses or trips circuit breakers
The filter is dirty or obstructed by debris. Clean the filter.
Too many appliances are being used on the same circuit. There is excessive heat or moisture (open container
Unplug or relocate appliances that share the same circuit.
cooking, showers, etc.) in the room. Use a fan to exhaust
Time-delay fuse or circuit breaker of the wrong capacity heat or moisture from the room. Try not to use heat-
is being used. Replace with a time-delay fuse or circuit 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
location where the louvers are free from curtains, blinds,
An extension cord is being used. Do not use an extension furniture, etc.
cord with this or any other appliance.
The outside temperature is below 66°F (19°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 off the unit. Wait at least 3 minutes after turning off outside temperature is below 66°F (19°C).
the unit 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
Air conditioner power supply cord trips (Reset button off a very hot room.
pops out)
Windows or doors to the outside are open. Close all
windows and doors.
Disturbances in your electrical current can trip (Reset
button will pop out) the power supply cord. Press and The Air Exchanger is set to OPEN (on some models). Set
release RESET (listen for click; Reset button will latch and the Exhaust control to CLOSED for maximum cooling and/or
remain in) to resume operation.heating.
An electrical overloading, overheating, pinching or aging Temperature control is not at a cool enough setting.
can trip (Reset button will pop out) the power supply Adjust the Temperature control to a cooler setting. Press the
cord. After correcting the problem, press and release RESET TEMP minus pad to reduce the temperature by 1o until it
(listen for click; Reset button will latch and remain in) to reaches 66oF (19oC). Set the Fan Speed control to High or
resume operation.Turbo (on some models).
NOTE: A damaged power supply cord must be replaced with a
new power supply cord obtained from the product manufacturer Water drips from cabinet into your house
and must not be repaired.
The air conditioner is not properly leveled. The air
Air conditioner seems to run too muchconditioner should slope slightly downward toward the
outside. Level the air conditioner to provide a downward
The current air conditioner replaced an older model. The slope toward the outside to ensure proper drainage. See the
Installation Instructions.
use of more efficient components may cause the air
conditioner to run longer than an older model, but the total NOTE: Do not drill a hole in the bottom of the metal base and
energy consumption will be less. Newer air conditioners do condensate pan.
not emit the ?blast? of cold air you may be accustomed to
from older units, but this is not an indication of lesser cooling
capacity or efficiency. Refer to the efficiency rating (EER) and Air conditioner cooling, but room is too warm?Ice
forming on cooling coil behind intake grille
capacity rating (in BTU/hr.) marked on the air conditioner.
The outside temperature is below 66°F (19°C). Do not try to
operate your air conditioner in the cooling mode when the
outside temperature is below 66°F (19°C).
The filter is dirty or obstructed by debris. Clean the filter.
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