ResMed Quattro FX User Manual page 13

Problem/possible cause Solution
Headgear is touching top
of ears.
Cushion is riding up the
face during use.
Spring frame is sitting
too close to the eyes.
Mask is too noisy
Ports cap or elbow
incorrectly inserted.
Vent is blocked or
partially blocked.
Mask leaks around the face
Cushion membrane is
creased or folded.
Cushion incorrectly
inserted into frame.
Remove and refi t your mask according to the
instructions. Check that the top and bottom
headgear straps are correctly positioned.
Ensure that the Velcro tab is correctly aligned
with headgear material and not cutting into top
of ear.
Check headgear positions against the
instructions. Headgear should not be worn too
far back on the head. Headgear may be the
wrong size. If the problem persists, talk to your
clinician.
Your mask could be the wrong size. Talk to your
clinician to have your face size checked against
the fi tting template.
Remove the ports cap and elbow from the
mask, then reassemble according to the
instructions.
Clean with a soft bristle brush until the vent is
clear.
Turn off the CPAP or bilevel device and remove
mask. Refi t your mask according to the
instructions. Ensure you position the cushion
correctly on your face before pulling headgear
over your head. Do not slide mask down the
face during fi tting as this may lead to folding or
curling of the cushion.
Remove cushion from frame and reinsert
starting at the top. Line up raised section on
cushion with recess in top of frame. Ensure
the alignment markers at bottom corners of
the cushion line up with the indent features on
frame. Ensure cushion membrane looks even
before refi tting.
If the problem persists, talk to your clinician.
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