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Breath is not deep
enough to trigger
SmartStart.
Take a deep breath in and
out through the mask.
There is excessive leak. Adjust position of mask
and headgear.
Plugs may be missing
from ports on mask.
Replace them.
Air tubing not connected
properly. Connect firmly at
both ends.
Air tubing kinked or
punctured. Straighten or
replace.
VPAP unit does not
stop when you
remove your mask.
SmartStart/Stop is
disabled.
Use of an Ultra Mirage
Full Face Mask.
Enable SmartStart/Stop.
SmartStop does not work
with a full face mask.
SmartStart is enabled
but the flow
generator does not
stop automatically
when you remove
your mask.
Incompatible humidifier or
mask system being used.
Use only equipment as
recommended and
supplied by ResMed.
Display error
message:
Check tube!!
Key if done
The air tubing is loose. Check that the air tubing
is connected securely to
your mask and the air
outlet on the front of the
VPAP.
To clear the error
message, press any key
on the VPAP keypad.
Displays error
message:
SYSTEM ERROR
Call service!
Component failure. Return your VPAP for
servicing.
Problem Possible Cause Solution