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Troubleshooting
ALL MODELS:
1) Unit does not operate at any
speed setting:
• Polarized cord must be fully
inserted in wall outlet.
• Check refill switch operation.
There are two switches on each
side of the Power Pack. Unplug
the humidifier, remove the
water bottles and manually trip
each switch spring lever. You
should hear the switch “click”.
If not, service may be required.
• Refill with water if necessary.
• The motor contains a tempera-
ture-sensing fuse. If the motor
becomes overheated, the fuse
may trip. Unplug the unit and
contact the nearest authorized
service station. DO NOT
ATTEMPT electrical repairs
yourself.
2) Not enough humidity:
• This is an evaporative type
humidifier. The humidity output
is invisible.
• Check the condition of the
evaporative wick. Replace if
clogged or hardened with min-
erals.
• Humidistat is not set high
enough—increase humidity
setting.
3) Too much humidity:
• When condensation becomes
heavy on cold surfaces in the
room, turn the humidistat set-
ting lower or increase the room
temperature.
4) Water Leak:
• Any hole in the water bottle will
allow air to enter the bottle and
all the water in the bottle to run
out. Do not puncture the bottle
in an attempt to drain it faster.
5) Odor:
• Bacteria may be present. Clean
and disinfect cabinet following
CARE AND MAINTENANCE
instructions. Use Bemis by
Essick Air Bacteria Treatment to
help eliminate unpleasant
odors. It may be necessary to
replace the wick if the odor
persists.
6) Right water bottle has water
remaining when unit shuts off:
• The unit is designed to empty
the right water bottle first, then
the left bottle. If the refill light
comes on, and the right bottle
has not emptied, raise the right
side of the unit with spacers
until the unit is level.
DIGITAL HUMIDISTAT
MODELS:
7) Rapid cycling humidistat:
• Certain room conditions may
result in the humidifier running
for short periods of time, turn-
ing off, and then restarting in
short cycles. Increase the “Set
Humidity” to the next higher %
setting.
• Move the humidifier to a differ-
ent location in the room.
• Maintain 4 inches clearance to
the wall.
8) Fan motor does not start:
• Bottles must be filled.
• Fan speed must be set, (not
OFF), green power light must
be ON.
• Set Humidity % must be higher
than Room Humidity %.
9) The electronic module is not con-
sumer serviceable – contact an
authorized service center for
assistance.