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31Troubleshooting
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 unit.
Problem Possible Cause Solution
No display. Power not connected or
switch at back is not on.
Ensure the power cable is
connected and that the
switch at the back of the
unit is in the ON position.
Insufficient air
delivered from the
VPAP.
Ramp Time is in use.
Air filter is dirty.
Wait for air pressure to
build up.
Replace air filter.
Air tubing is kinked or
punctured.
Straighten or replace
tubing.
Air tubing not connected
properly.
Check air tubing.
Mask and headgear not
positioned correctly.
Adjust position of mask
and headgear.
Plug(s) missing from
access port(s) on mask.
Replace plug(s).
Pressure required for
treatment may have
changed.
See your clinician to
adjust the pressure.
The VPAP does not
start when you
breathe into the
mask.
Power cord not connected
properly.
Power outlet may be
faulty.
Connect power cord
firmly at both ends.
Try another power outlet.
The VPAP unit not
switched on.
Switch power switch at
rear of the VPAP to ON.
SmartStart not on. Enable SmartStart.
Mask Alarm has been
enabled; SmartStart has
automatically been
disabled.
Disable Mask Alarm to
enable SmartStart.