10004440 Rev.
C
28
TROUBLESHOOTING
The following information is intended to help you troubleshoot and solve
simple operational problems that you may experience when using your
HELiOS Portable.
1. The Portable makes a hissing sound.
Hissing can occur to maintain the correct operating pressure within the
portable. It is most likely to hiss after filling or when the position of the
Portable is changed. Hissing can last for approximately 10 minutes
after filling, Additionally, it can occur when the flow control valve is at
a low setting.
2. The Portable does not pulse after filling.
If during the filling process, the Portable is disengaged with the vent
valve lever down, pressure may be reduced within the Portable causing
a delay in the conserving device function. It may require as much as 60
minutes to restore adequate pressure for accurate oxygen flow.
Additionally, improper filling or lower than the normal operating
pressure in the Reservoir will contribute to the unit not pulsing.
3. The Portable stops pulsing during use.
•Ensure that both connections of the dual lumen cannula are firmly
attached to the Oxygen Outlet and Sensor connectors.
•Change the cannula if water droplets are present from humidified
exhaled gas. Replacing the cannula with a dry one enhances the abil-
ity of the Portable to pulse.
•Ensure that the cannula is not kinked.
•Ensure that the cannula tips remain in your nostrils and do not slide
to one side.
•Ensure that there is oxygen in the Portable.
•With the cannula on, close your mouth and breathe only through
your nose to verify that the Portable has stopped pulsing.
10004440_ML2.book Page 28 Wednesday, June 22, 2005 8:50 AM
Содержание HELiOS
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