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Trouble
“CF”
message does not appear
even when filter is dirty or
humidifier performance is
c
learly reduced.
Display blinks or fan moves
slightly when humidifier is
plugged in.
Alternating
“F” and room
humidity displayed.
Alternating
“CF” and room
humidity displayed.
Probable Cause
• Loss of power or a power
failure has caused the
CF
message to prematurely
r
eset.
• Normal
• Reservoir is empty.
• Filter may be dirty.
Remedy
• Replace filter.
• No action required.
• Fill humidifier with water.
• Replace filter.
• Unplug unit for 30 seconds
and replug in to clear display.
SP6599-1 MoistAIR 3/29/06 1:13 PM Page 13