Filter
Top Products
33Troubleshooting
Breath is not deep enough
to trigger SmartStart.
Take a deep breath in and
out through the mask.
There is excessive leak.
Plugs may be missing from
ports on mask.
Air tubing not connected
properly.
Air tubing kinked or
punctured.
There is a large impedance
(eg, antibacterial filter,
oxygen connector) in the air
circuit.
Adjust position of mask and
headgear.
Replace them.
Connect firmly at both
ends.
Straighten or replace.
Press the Start/Stop key.
VPAP III ST-A does not
stop when you remove
your mask.
SmartStart/Stop is disabled.
Use of a full face mask.
Enable SmartStart/Stop.
SmartStop does not work
with a full face mask.
SmartStart is enabled
but the VPAP III ST-A
does not stop
automatically when
you remove your mask.
Incompatible humidifier or
mask system being used.
Incorrect humidifier or
mask settings.
Use only equipment as
recommended and supplied
by ResMed.
Confirm settings are
correct.
Displays error
message:
SYSTEM ERROR
Call service!
Component failure. Return your VPAP III ST-A
for servicing.
Excessive motor noise. Component failure. Return your device for
servicing.
Display error message:
High leak in last
session.
You have experienced
excessively high leak levels
during the night.
Check that your air tubing is
connected properly and that
your mask does not leak
excessively.
Use the mask-fitting feature
to help you to fit your mask
properly.
If this message appears
again, contact your clinician.
Problem Possible Cause Solution