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Maintenance and Service
BeDre calling for service, please review the following list of common problems and solutions.
The air conditioner is operating normally when:
• You hear a pinging noise. This is caused by water being picked up by the condenser on rainy days or in
higNy humid conditions, This feature is designed to help remove moisture in the air and improve cooling
efficiency_
° You hear the thermostat click, This is caused by the compressor cycle starting and stopping
°You see water dripping from the rear of the unit. Water may be collated in the base pan in highly humid
conditions or on rainy days. This water overflows and drips from the rear of the unit.
• You hear the fan running while the compressor is silent This is a normal operational feature,
me air conditioner may _ operating abnormally when:
• Make sure the plug is completely plugged into the
outlet
The air conditioner
does not operate
at all
Air conditioner
does not cool
Ice appears on the
air conditioner.
° Ch_k 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 (Mechanical Type). When the power is restored,
wait 3 minutesto restart the air conditioner to prevent
the compressor from overloading
• Press the RESET bu_on 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" s_tion of the manual.
° After the air conditioner is turned on, you need to
give the air conditioner some time to cooi the room.
• 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.
Owner's Manual 21
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