Operating malfunctions
45
Air stream is warmer
than usual.
Device is close to the heating/
in sunlight.
Ensure that the device is
placed away from sunlight and
heating.
Fluctuations in temperature of
the air stream depending on
room temperature.
Ensure that the air inlet to the
device is not blocked by cur-
tains or bedding. Reduce the
room temperature if necessary.
Respiratory humidifier is con-
nected; water chamber has
not been filled up.
Check the settings and the
water chamber of the respira-
tory humidifier. Make any
changes to the settings and fill
the water chamber of the air
humidifier, if necessary.
Dry nasal mucous
membrane
Device is being operated with-
out respiratory humidifier
Install a respiratory humidifier
to reduce possible symptoms,
such as dry nasal mucous
membrane, dried out mouth or
sore throat by moistening the
inhaled air.
Device being operated with
respiratory humidifier and at
too low a heat level
Gradually increase the heat
level of the respiratory humidi-
fier to increase the air humidity
of the respiratory air.
Problem
Possible cause
Measure
