Troubleshooting - ResMed Mirage Liberty User Manual

Troubleshooting

Problem
Mask won't seal properly or is
uncomfortable
Mask is too noisy
Possible reason
Mouth cushion or pillows may
be dirty.
Mask may have been fitted
incorrectly.
Mask is incorrectly adjusted.
Mouth cushion is wrong size.
Mouth cushion is skewed in
mask frame.
Mouth cushion is misaligned or
creased on face.
Mask pillows are the wrong size. Try another size or talk to your
Mask pillows are not correctly
seated in your nostrils.
Mask pillows are skewed in
cushion.
Mask is assembled incorrectly.
Vents are blocked or partially
blocked.
Valve is misassembled.
Cushion is not properly inserted. Check insertion of cushion.
Mask is assembled incorrectly.
Valve is damaged, torn or
distorted.
Pillows are not inserted correctly
into cushion.
Mask is not sealing.
7
Possible solution
Clean mask according to
instructions in "Cleaning the
Mask in the Home" .
Carefully follow instructions in
"Fitting the mask".
Check headgear is not over-
tightened.
Talk to your clinician.
Check insertion of cushion.
Ensure cushion is properly
aligned and that there are no
creases in it: undo headgear clip,
check cushion and reposition the
mask on your face.
clinician.
Re-seat pillows into nostrils.
Check insertion of pillows.
Reassemble mask.
Clean vents according to
instructions in "Cleaning the
Mask in the Home" .
Reassemble valve.
Reassemble mask.
Replace valve.
Check insertion of pillows.
Check and adjust mask as
necessary.