51
Possible
Cause
Recommended
Action
The drying
cartridge is
missing or
disconnected
Take the back
cover off and
check drying
cartridge is
present and fully
located into the
device. Replace
the back cover.
The NO
scrubber is
missing or
disconnected
Take the back
cover off and
check NO scrubber
is present and fully
located into the
device. Replace
the back cover.
Possible Cause
Recommended Action
If the patient
exhales
outside of the
exhalation
guidelines,
the test will beep
before indicating
a fail and a red
cross will appear.
Press the retry icon to
retake the test or if
after multiple attempts
the patient is unable to
comply, the reading can
be viewed by pressing
the next arrow.
WARNING:
Patients should exhale for the duration of time
indicated by the monitor during a breath test. Failure to do
so could impact the reading.
The device consistently reads 0ppb