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condense in the tube and
collect in the mask.
towel or blanket over the
tube to maintain the
temperature of the output
air flow.
Nasal, sinus, or ear
pain
Inflammation in sinus or
middle ear.
Stop using the device
immediately and contact
your doctor.
Obstructive Sleep
Apnea-Hypopnea
Syndrome
recrudesce (
e.g:
daytime sleepiness)
The required treatment
pressure may have changed
due to your weight, nasal
obstruction, drinking or
some other reasons.
Consult your doctor.
Air output is too hot.
The air filter is either
clogged with dirt or the air
inlet is otherwise blocked.
The device might also be too
close to wall, curtains or
other obstructions to the air
flow around the device.
Check and clean the air
inlet, replace if necessary.
Reposition the device to a
place that is at least 2
inches away from the wall,
curtain or other
obstructions.
No airflow output
Device malfunction
Contact your device
supplier.
The air flow output
is too low
If the “Ramp” function is on,
it takes time for air flow to
rise from the initial pressure
to the treatment pressure.
The air inlet may also be
blocked.
Turn off or change the
settings of the Ramp
feature.
Check and clean the air
inlet or replace the air
filter.
The blower is
always at an
abnormally high
rotation rate.
The device is leaking air.
Contact your device
supplier.
The device doesn’t
work when it is
turned on.
Device malfunction.
Contact your device
supplier
The device works
but the pressure in
the mask is
obviously different
form the setting
pressure.
Tubes are either leaking or
the device is malfunctioning.
Check to see if the tubing
is connected properly. If
problem persists, contact
your device supplier.
The device can only
output air at low
pressure.
The air filter or air inlet is
blocked, or the treatment
pressure has been set too
low. If the Ramp function is
on, it takes time for air flow
to rise from the initial
pressure to the treatment
pressure.
Replace the air filter and
clean the air inlet. You
may also need to turn off
or change the settings of
the Ramp feature.