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13
Troubleshooting
Trouble Probable Cause Remedy
Digital display not
illuminated.
• No Power.
• Power button has not
been depressed.
• Check 120 volt power source.
• Press power button once to
turn on.
Fan not operating
(digital display is
illuminated).
• ROOM humidity level is
not 3% or more below
SET humidity level.
• Reservoir is empty.
• Raise SET humidity level if desired.
• Increase fan speed.
• Fill humidifier with water.
Fan running
continuously.
• Float is obstructed.
• SET humidity level is
65%.
• ROOM humidity level
has not reached 1% or
more above SET
humidity level.
• Free float from obstruction.
• A SET humidity percentage of 65%
operates fan continuously. Adjust
SET level between 25% - 60%.
• Continue to run until desired
humidity level is achieved. This
may take up to 48 hours initially.
Poor evaporation of
water.
• CHECK FILTER (CF)
message flashing.
• Mineral buildup on filter
(wick).
• Change to a fresh new wick
NOTE: Local water varies from area
to area and under certain conditions
minerals will build up more rapidly in
the wick.
•Unplug unit for 1-2 minutes to reset
CF function
Neither bottle
emptying.
• Bottle cap plunger
missing post in bottom of
cabinet
• Dirty wicks.
• Check orientation of bottles.
Reposition so that bottle cap
plunger (stem) is depressed by
post in bottom of cabinet.
• Change to fresh new wick
(HDC12).
Bottles continue to
empty after complete
filling.
• Air is entering water
bottle.
•Check “Side-Fill Caps” and valve
assembly caps to ensure tightness.
• Check for leak in water bottle.
• Ensure gaskets for “Side Fill Caps”
are in place.
Left bottle not
emptying.
• Right bottle contains
water.
•The humidifier is designed so that
right bottle empties first.
• Ensure unit is level - Install caster
pads on front casters, as needed.
Bottle empties
completely
• This is normal for initial
filling
• Refill bottle for maximum
run time.
Refill display “F” is on
before bottles are
empty.
• Unit is not set up on a
level surface. (Float
will not sense water at
the front of the
cabinet.)
•Position unit level. (Some carpet
padding may allow unit to sit lower in
the front than rear with the additional
weight of water bottles in the front of
the cabinet. Install caster pads under
front casters (see page 5).
“CF” message does
not appear even when
wick is dirty or
humidifier performance
is clearly reduced.
• Loss of power or a
power failure has caused
the CF message to
prematurely reset.
• Replace wick.
Display blinks or fan
moves slightly when
humidifier is plugged in.
•
Normal • No action required.
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