Troubleshooting - ResMed VPAP III ST-A User Manual

Troubleshooting

If there is a problem, try the following suggestions. If the problem cannot be
solved, contact your equipment supplier or ResMed. Do not attempt to open the
VPAP III ST-A.
Problem
No display.
Insufficient air
delivered from the
VPAP III ST-A.
The VPAP III ST-A does
not start when you
breathe into the mask
(when SmartStart is
enabled).
Possible Cause
Power not connected or
switch at back is not on.
Ramp time is in use.
Air filter is dirty.
Air tubing is kinked or
punctured.
Air tubing not connected
properly.
Mask and headgear not
positioned correctly.
Plug(s) missing from access
port(s) on mask.
Pressure required for
treatment may have
changed.
Power cord not connected
properly.
Power outlet may be faulty.
The VPAP III ST-A is not
switched on.
SmartStart not on.
Mask Alarm has been
enabled; SmartStart has
automatically been
disabled.
Solution
Ensure the power cable is
connected and that the
switch at the back of the
device is in the ON position.
Wait for air pressure to
build up.
Replace air filter.
Straighten or replace
tubing.
Check air tubing.
Adjust position of mask and
headgear.
Replace plug(s).
See your clinician to adjust
the pressure.
Connect power cord firmly
at both ends.
Try another power outlet.
Switch power switch at rear
of the VPAP III ST-A to
on (I).
Enable SmartStart.
Disable Mask Alarm to
enable SmartStart if
appropriate.
Troubleshooting 35