
7
NOISE PROBLEM
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ROOM AIR CONDITIONER TROUBLESHOOTING GUIDE
Vibrating Reinstall the unit as recommended in the owner's manual. You can
download your owner's manual here.
TOO NOISY
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Pinging No action is required. This sound is normal and is the result of water
droplets falling from the evaporative coil and then striking the fan.
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Beeping when you set
the control settings
No action is required. This sound is normal and signals that the
settings have changed.
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Hissing or gurgling No action is required. This sound is normal and happens when the
pressure of the refrigerant in the sealed system equalizes.
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Humming No action is required. This sound is normal and is the compressor
cycling on and off.
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Louder operating sound
when you turn on the unit.
No action is required. This sound is normal and is the compressor
starting up.
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Loud all the time Reinstall the unit as recommended in the owner's manual. Install the
unit in a window with open space on both sides, because a unit
enclosed by walls that reflect sound is noisier. You can download your
owner's manual here.
>
Does this solve your problem? Yes! Problem solved. No. I need Service.
Click here to book an appointment
for service.
ODOR PROBLEM
BAD SMELL Is there a bad smell
when unit is not running?
Clean the air filter and the unit. Follow the cleaning instructions in your
owner's manual. You can download your owner's manual here.
Have you recently
cleaned unit, including
the air filter and the drip
pan, before the start of
the season?
Clean the filter twice a month and the unit itself every three months
during the operating season. Follow the cleaning instructions in your
owner's manual. You can donwload your owner's manual here.
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If your unit has a
heating function, does
the heater smell like
it’s burning?
Shut off unit and allow to cool. Then clean the heating element. If
odor persists, call for service.
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