Slant/Fin GF-300 Instructions For Operation, Care And Cleaning page 5

Unit does not mist Unit is not plugged in
Power failure
Water tanks empty
Power switch not turned on
Unit not reset after refilling tanks Reposition water tanks
Water tank not properly
located on base unit
Humidity level set is achieved
using distilled or treated water
which does not contain enough
ions
Water leaks from unit Drain cap, drain cap gasket,
tank cap or tank cap
gasket is missing or improperly
positioned
Moist air output low Mineral buildup in hot water
reservoir
Refill/Clean Water level is below water
indicator light on level probes
Water level probes
are covered with film
Mineral buildup in hot water
reservoir
Plug in unit
Check circuit breaker
Remove and refill
Turn on switch to LO or HI
Reposition water tanks
Turn Relative Humidity
Control to higher setting
Add "pinch" of table salt
Tighten cap.
Replace or tank cap
or reposition cap
gasket.
Clean unit as per
instructions.
Refill water tanks
and mount tanks on base
Clean probes per
cleaning instructions
Clean unit per
cleaning instructions