DeVilbiss PulseDose PD1000 - Page 17

Troubleshooting
17
PulseDose will not
pulse
PulseDose works fine
for a couple of
minutes, then
sensitivity seems to
drift and may stop
working altogether.
1. Cannula is not
adjusted properly.
2. Unit is not turned
on.
3. Batteries discharged
or not installed.
4. Mouth breathing with
closed soft palates.
5. Unit did not reset
while changing
batteries (red light
stays on).
Using pediatric
cannula or any
cannula that restricts
continuous flow
capacity of 10 lpm.
1. Check all cannula
connections to make
sure they are tight,
and adjust the
cannula to fit
comfortably in your
nose. Ensure tubing
is not kinked.
2. Turn the rotary
selector to the
appropriate setting.
3. Install new batteries.
4. Breathe through the
nose (cannula).
5. Turn the unit off and
back on using the
rotary selector.
Replace with
standard nasal
cannula.
Symptoms Possible Causes Remedies