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Troubleshooting
Trouble
Power light not illuminated
Unit will not run and Fill
Light is not on.
Note: Red power light
is on.
Unit will not cycle on and
off.
Unit will not shut off.
Unit will not dry out
completely.
Bottle continues to empty.
Unit is not emptying during
use.
Probable Cause
• No Power
• Speed control in off posi-
tion (See page 7.)
• Selected humidity level
has been established.
• Humidity control turned all
the way clockwise to
"Constant On" position.
• Desired humidity not
established.
• Humidifier under size for
requirements.
• Float is not free.
• This is normal.
• Air is entering the bottle.
• Dirty filter.
• Lower spring assembly on
bottle damaged or missing
post in bottom of base.
Remedy
• Check 120 volt power
source.
• Turn speed control clock-
wise.
• Raise humidistat setting
• Turn humidity control
counter clockwise until the
fan turns off.
• Allow up to 24 hours of
run time for unit to adjust.
• Designed to satisfy an
area up to 2000 sq. ft.
• Free float from obstruction.
• A small amount of water
remains in the base after
the Refill Light comes on.
• Check Side Fill Cap and
lower spring assembly
• Check for leak in water
bottle.
• Ensure gasket for Side Fill
Cap is in place.
• Change to a fresh new
filter.
• Check orientation of bottle.
Reposition so that lower
spring valve assembly is
depressed by post in
bottom of base.
CAUTION: Use only approved EPA Registered liquid bacteriostat available from
your local retail store. Use of other water treatment products may damage the
filter elements. Under no circumstances should you use water treatment prod-
ucts designed for Rotobelt or Ultrasonic humidifiers.
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SP6549 Manual 71235 7/12/05 3:17 PM Page 13