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Unit continues to
operate after water
tray is full or water full
protection occurs
frequently.
Unit leaks.
Sounds or vibration.
Room too cold.
Filter is dirty.
The condenser coils are dirty.
Water level switch is open or short
circuited.
Water level switch is stuck in
"empty" position.
Drain plug is removed.
Base plate is cracked.
When unit is turned on or off the
outer shell "pops" or "clicks."
When unit is turned on or off
"boiling" or "running water" is heard.
Foreign objects inside the unit are
interfering with fans or other moving
parts.
Unit is not level.
Compressor vibration.
Set temperature is too low.
Clean filter.
Carefully vacuum the coils clean.
Check water level switch connections or replace
water level switch if defective.
Make sure water level switch is operating correctly
and not stuck or being interfered with.
Attach the drain plug.
Replace base plate.
Normal sound. Outer shell is contracting or
expanding and will stop after a few minutes.
Normal sound. The cause is refrigerant flowing inside
the system and will stop after a few minutes.
Remove foreign objects.
Make sure unit is on a level surface.
Tighten bolts holding compressor to chassis.
Adjust the set temperature.
17
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