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FLF
Float Level
(Cont)
FTF
Fill Fault /
Warning
FTW
HMF
Maint. Fault /
Warning
HMW
Keep Warm
KWF
Fault
More than one
Float Level is
registering at the
same time
The fill valve has
been active for
an extended
time without
reaching level 1.
The Humidifier
Maintenance
interval and 72
hour window for
cleaning has
expired
The preset
service interval
time has
expired.
Keep Warm
activated but
tank
temperature has
not increased
within time
allotted
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