20
headgear, tube and air filter should be replaced with new ones. Alternatively, users
can also follow the procedures listed in Section 11.3 “Disinfection”
.
12. Troubleshooting
The below table lists some of the common problems the device might have and
provides possible solutions to those problems. If these suggestions do not solve these
problems, please contact your healthcare provider directly.
Phenomenon
Possible Causes
Troubleshooting
Nothing displays on
the screen or the
Main Interface
screen does not
appear after turning
the device on.
The power supply is not
connected properly.
Disconnect the power plug
and re-connect it.
The device beeps
after turning on.
The power supply is not
connected properly.
Disconnect the power plug
and re-connect it.
The device fails to
stop automatically
after removing the
mask.
“Auto OFF” function is off.
Set the “Auto OFF”
function to “ON”.
Nose and/or throat
are dry and/or
irritated when using
this device.
The air is dry in the room.
Turn up the humidifier
level or consult your
doctor.
Dry mouth and
throat.
Likely because the user
sleeps with his or her mouth
opened so that the
pressurized air goes through
the mouth, which leads to
dryness of the nasal passages
and throat.
The setting pressure may
be too low.
You may also want to
consult your doctor .
Eye irritation or
dryness.
The model or size of the
mask may not be suitable.
The mask may also be
positioned incorrectly
causing air to blow into the
user’s eyes.
Adjust the mask position
and the headgear’s
tightness. Consult your
doctor to replace the mask.
If the mask is old or
broken, replace
immediately.
Try another mask model.
Face reddening or
inflamed.
The headgear is too tight.
The mask model or size may
not be suitable. The user may
be allergic to the materials of
the mask.
Loosen the headgear and
insure proper fit. Consult
your doctor.
Water in the mask
Room temperature is too low
or (if the humidifier is being
used) output air can
Lower the humidifier
setting, increase the room
temperature, or place a
