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Troubleshooting, Disposal – ResMed Mirage Activa LT User Manual

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Troubleshooting

Possible reason

Solution

Mask is uncomfortable

Headgear straps are too tight.

Adjust the straps evenly. The forehead support

“anchors” your mask and should sit firmly on

your forehead.

Cushion incorrectly inflated.

With the air turned off, adjust the straps so that

you can insert two fingers between your cheek

and the lower headgear strap.

Mask is too noisy

Cushion clip is not inserted cor-

rectly.

Check that the cushion clip is correctly inserted

into the cushion, and that the cushion is cor-

rectly clipped to the frame.

Ports cap or elbow incorrectly

inserted.

Check the the ports cap and elbow are correctly

inserted.

Vents are blocked or partially

blocked.

Clean vents according to instructions in “Cle-

aning the Mask at Home”.

Air leaking around the face

Mask not positioned correctly.

Reposition the mask upon the face.

Air leaking around the bridge of the

nose.

Wind the dial in.

Air leaking around the top of the lip.

Wind the dial out.

The mask does not fit properly

Cushion could be the wrong size.

Talk to your clinician.

Mask is incorrectly assembled.

Reassemble the mask according to the instructi-

ons in “Reassembly”.

Cushion may be dirty.

Clean cushion according to instructions in “Cle-

aning the Mask at Home”.

Cannot insert forehead support into mask frame

When assembling the mask, you

have inserted the dial into the frame

before the forehead support.

Push dial base onto a hard surface until the dial

comes out of the frame.

Disposal

The mask does not contain any hazardous substances and may be disposed of
with your normal household refuse.