
ACDuncan Dec 2008
Reviewed 2013
VPAP TROUBLESHOOTING GUIDE
Problem
Possible Cause
Corrective Action______
Unit does not start when the
Power cord not connected properly Connect cord firmly at
Start button is pressed, and
both ends.
no lights are showing on
the LCD panel.
Power point may be faulty
Try another power outlet
Machine does not alternate
Hyperventilation and/or high
The machine will revert
between IPAP and EPAP
room temperature has caused
to normal once it cools
machine to overheat
down (about 15 mins)
If uncomfortable stop the
machine for the time it
takes to cool.
Try to slow your breathing.
Cool your room down.
Machine not giving enough
Ramp timer is on
Wait for pressure to build
air
up over selected ramp time
or Turn ramp timer off.
Air filter is dirty
Change the filter.
Tubing is kinked or punctured
Straighten or replace tube.
Tubing is not connected properly
Tighten all connections
Mask and headgear not on properly Reapply mask
Plugs missing from access ports
Replace plugs.
on mask.
Air leaking around nose
Cushion not properly fitted to
Refit cushion to frame.
and eyes
mask frame
Mask/harness not positioned
Adjust mask position.
correctly.
Plugs missing from access ports
Replace plugs or seal hole
on the mask
with plastic tape.
Nasal cushion is worn, torn or
Replace cushion
distorted.
Machine does not stop when you
Smart start/stop is disabled
Enable Smart Start/Stop.
take the mask off
Use on/Off button to stop
the machine
Smart Start/stop is on but unit
Incompatible humidifier or
Change humidifier or mask
does not stop when you take the
mask being used
type
mask off
Displays error message:
The air tubing is loose
Secure all connections
Check tube!!
Press any key to clear the
Key if done.
message.
Displays error message:
Component failure
Call VRSS Outreach
SYSTEM ERROR
Call Service!
Excessive motor noise
Component failure
Call VRSS Outreach
Displays error message:
You had excessive mask/
Secure all connections
High leak in last session
mouth leak during the night
Use mask fitting feature to
help fit mask properly.