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7
Troubleshooting
Problem/possible cause Solution
Mask is uncomfortable
Headgear straps are too tight. The cushion membrane is designed to
inflate against your face to provide a
comfortable seal with low headgear
tension. Adjust straps evenly. Ensure
that the headgear straps are not too
tight and that the cushion is not crushed
or creased.
Mask could be the wrong size. Talk to your clinician to have your face
size checked against fitting template.
Note that sizing across different masks
is not always the same.
Mask is too noisy
Elbow incorrectly installed. Remove the elbow from your mask,
then reassemble according to the
instructions.
Vent is blocked or partially
blocked.
Clean with a soft bristle brush until the
vent is clear.
Mask leaks around the face.
Cushion membrane is creased
or folded.
Refit your mask according to the
instructions. Ensure that you position
the cushion correctly on your face
before pulling headgear over your head.
Do not slide the mask down your face
during fitting as this may lead to folding
or curling of the cushion.
Mask could be the wrong size. Talk to your clinician to have your face
size checked against fitting template.
Note that sizing across different masks
is not always the same.
Frame incorrectly fitted. Remove the rest of the mask from the
frame, then reassemble according to
the instructions.
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