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22 Room Air Conditioner
Maintenance and Service
Problem Possible Causes What To Do
Hot, humid weather. This is normal.
Water drips
indoors
The air conditioner is not
tilted to the outside.
For proper water disposal, make sure the air
conditioner slants slightly from the case front
to the rear.
Water collects
in base pan
Moisture removed from air
and drains into base pan.
This is normal for a short period in areas with
little humidity; normal for a longer period in
very humid areas.
Dirty air fi
lter - air restricted. Clean air filter.
Outside temperature
extremely hot.
Set FAN speed to a faster setting to bring air
through cooling coils more frequently.
Air movement sound.
Poor installation. Refer to installation instructions or check with
installer.
Set temperature too low Increase set temperature
Set temperature too high Decrease set temperature
Room too
cold/heat.
Air conditioner
turns on and
off rapidly.
Noise when
unit is
cooling/Heating
This is normal. If too loud, set to lower FAN setting.
Water drips
outside
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