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Troubleshooting
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Problem Cause Suggestion
Unit does not
work
Unit is not plugged
in.
Securely plug
receptacle into
the wall.
Main power is off.
Check fuse or
circuit breaker
Condensate tank is
full. Indicator light
is on.
Empty tank.
Poor cooling
performance.
Air exhaust or
intake blocked.
Clear all objects
away from air
grills, move
away from wall.
Air filter is dirty. Clean air filter.
Temperature is set
too high.
Lower set
temperature.
Fan speed is too low.
Increase fan
speed.
Noise or
vibration.
Surface is not level.
Place unit on a
level surface,
away from
obstructions.
Unit starts and
stops.
Air exhaust is not
attached properly or
is curved too much.
Check
installation of air
exhaust hose.