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Before you call for service...
Troubleshooting Tips save time and money!
Review the chart below first and you may not need to call for service.
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 may run even when the compressor does not.
Abnormal Operation
Problem
The air conditioner is
unplugged.
The fuse is blown/circuit
Air conditioner
breaker is tripped.
does not start
Power failure.
Airflow is restricted.
The THERMOSTAT may
not be set high enough.
The air filter is dirty.
Air conditioner
does not cool as it
should
The room may have been
hot.
Cold air is escaping.
Cooling coils have iced up.
Air conditioner
Ice blocks the air flow and
freezing up
stops the air conditioner
from cooling the room.
Possible Causes
What To Do
• Make sure the air conditioner plug is pushed
completely into the outlet.
• Check the house fuse/circuit breaker box and
replace the fuse or reset the breaker.
• If power failure occurs, turn the mode control to Off.
When power is restored, wait 3 minutes to restart the
air conditioner to prevent tripping of the compressor
overload.
• Make sure there are no curtains, blinds, or furniture
blocking the front of the air conditioner.
• Turn the knob to a higher number. The highest
setting provides maximum cooling.
• Clean the filter at least every 2 weeks.
See the care and Maintenance section.
• When the air conditioner is first turned on, you need
to allow time for the room to cool down.
• Check for open furnace floor registers and cold air
returns.
• See Air Conditioner Freezing Up below.
• Set the mode control at High Fan or High Cool with
thermostat at 1 or 2.
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