H-80 Series User Manual V1.0
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19. Troubleshooting
The table below lists common problems you may have with the device and possible solutions
to those problems. If none of the corrective actions solve the problem, contact your home
care provider.
19.1 Common Problems in Patients and Corresponding
Solutions
Dry, cold, runny,
and blocked
nose; having a
cold
The nose reacts to the airflow
and cold. Due to fast airflow,
the air becomes cold, leading
to nasal mucosa irritation and
subsequent dryness and
swelling.
Increase the humidity setting of
the device.
Contact your physician, and
continue treatment unless the
physician suggests the opposite.
Probably because the patient
sleeps with his or her mouth
open, and the pressurized air
goes out via the mouth,
leading to nasal and throat
dryness.
Use a chin strap to prevent the
mouth from opening during sleep.
Contact your physician for details.
Nasal, sinus, or
ear pain
Sinus or middle ear
inflammation.
Contact your physician
immediately.
Facial redness or
inflammation in
contact with the
nasal cannula
Adjust the headband properly
Inappropriate type of nasal
cannula
Contact the equipment supplier
and select another type of nasal
cannula
Allergic to material of the
nasal cannula
Consult your physician and
equipment supplier
The tube is not connected
properly.
Connect the tube to the correct
connector.
Check whether the breathing tube
leaks air.
Check whether the water chamber
is connected with the device in
place
Air delivered
from the device is
abnormally hot
The air inlet of the device may
be partially blocked, leading to
insufficient airflow into the
device.
Replace the air filter (see 16.6
Replacing the Air Filter), and clean
the air inlet.
Place the device in an area where
air flows freely, and make sure the
device is at least 20 centimeters
away from the wall, curtain, or
other things.
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