ResMed Mirage Activa LT Mode D'emploi page 11

Troubleshooting
Possible reason
Mask is uncomfortable
Headgear straps are too tight.
Cushion incorrectly inflated.
Mask is too noisy
Cushion clip is not inserted cor-
rectly.
Ports cap or elbow incorrectly
inserted.
Vents are blocked or partially
blocked.
Air leaking around the face
Mask not positioned correctly.
Air leaking around the bridge of the
nose.
Air leaking around the top of the lip.
The mask does not fit properly
Cushion could be the wrong size.
Mask is incorrectly assembled.
Cushion may be dirty.
Cannot insert forehead support into mask frame
When assembling the mask, you
have inserted the dial into the frame
before the forehead support.
Solution
Adjust the straps evenly. The forehead support
"anchors" your mask and should sit firmly on
your forehead.
With the air turned off, adjust the straps so that
you can insert two fingers between your cheek
and the lower headgear strap.
Check that the cushion clip is correctly inserted
into the cushion, and that the cushion is cor-
rectly clipped to the frame.
Check the the ports cap and elbow are correctly
inserted.
Clean vents according to instructions in "Cle-
aning the Mask at Home" .
Reposition the mask upon the face.
Wind the dial in.
Wind the dial out.
Talk to your clinician.
Reassemble the mask according to the instructi-
ons in "Reassembly" .
Clean cushion according to instructions in "Cle-
aning the Mask at Home" .
Push dial base onto a hard surface until the dial
comes out of the frame.
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