Filter
Top Products
22 Room Air Conditioner
Maintenance and Service
Problem Possible Causes What To Do
■ The air conditioner is
unplugged or not plugged
in completely
■ The fuse is blown/circuit
breaker is triggered
■ Power failure.
■ The current interrupter
device is tripped.
■ Air flow is restricted
■ TEMP Control set too
higher number.
■ The air filter is dirty.
■ The air conditioner was
just turned on.
■ The room may have been
hot.
■ Cold air is escaping.
■ Cooling coils are iced up
■ The cooling coils are iced
over.
• Make sure the plug is completely plugged into the
outlet
• Check the fuse/circuit breaker box and replace the
fuse or reset the breaker
• In the event of a power failure, set the power control
to OFF. When the power is restored, wait 3 minutes
to restart the air conditioner to prevent the
compressor from overloading
• Press the RESET button located on the power cord
plug. If the RESET button will not stay engaged,
discontinue use of the air conditioner and contact a
qualified service technician.
• Make sure there are no curtains, blinds, furniture or
other obstacles in front of the air conditioner
• Set the TEMP control to a lower number.
• Clean the filter at least every 2 weeks. Refer to the
“Maintenance and Service” section of the manual.
• After the air conditioner is turned on, you need to
give the air conditioner some time to cool the room.
• When the air conditioner is first turned on
you need to allow time for the room to cool down.
• Check for open furnace floor resisters and cold air
returns.
• CLOSE the air conditioner vent
• See Ice appears on the air conditioner below
• Ice may block the air flow and obstruct the air
conditioner from properly cooling the room.
• Set the mode control at HIGH fan or high cool with
the high temperature.
The air conditioner
does not operate
at all
Air conditioner
does not cool
Ice appears on the
air conditioner.
Abnormal Operation
Normal Operation
• You may hear a pinging noise caused by water being picked up and thrown against the condenser on rainy
days or when the humidity is high. This design feature helps remove moisture and improve efficiency.
• You may hear the thermostat click when the compressor cycles on and off.
• Water will collect in the base pan during high humidity or on rainy days. The water may overflow and drip
from the outdoor side of the unit.
• The fan will run even when the compressor does not.
To save time and expense, check the following before calling for an authorized service center
For Models installed in North America-If service or parts are required first make the check recommended below.
Services