Yearly
Replace both filters.
Caution: Never install a wet filter into the device. You must ensure sufficient drying time for the
cleaned filter.
Important: Do not let the filter get blocked with dust because this will affect how well the ventilator
works.
What do I do if I have problems with my mask?
Generally, it is ok to have small leaks. You can make some small changes to stop big leaks.
• If your mask leaks, pull the mask cushion directly away from your face and set
it gently back into place. This allows the cushion to create a new seal on your
face.
• If you have leaks around your eyes, adjust the side straps.
• If you have leaks around your lips or chin, adjust the lower straps.
• If you can feel too much pressure on the bridge of your nose, loosen the side
straps.
• If you get a sore on the bridge of your nose, please contact the Chest Unit for
advice.
What to do if the alarm sounds?
The alarm may sound for a few reasons. A message will be displayed on the screen telling you
the type of alarm. To temporarily silence an alarm, press the alarm silence button.
The alarm is silenced for 60 seconds and then sounds again if the cause of the alarm has not
been corrected.
The NIV machine can alarm for different reasons:
HIGH FLOW indication on the screen. There may be leak around the mask, the tubing may be
disconnected or there may be a hole in the tubing.
In this case, try refitting your mask and making sure it is securely fitted, check all tubing is
connected and check for holes in the circuit (tubing can be replaced). A high flow alarm may
also sound if you are coughing.
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