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9
Troubleshooting
Fault of the device
-switches off
automatically
-switches form menu
to measure mode
automatically
-can not be switched
on.
Displayed fault
Insufficient volume
Calibration error
Accuracy check
error
Cause
auto switch off after 4
minutes
empty batteries
Device automatically
switch to measurement
mode after 120 sec
without use.
empty batteries
Cause
Invalid results (on page
13 section "Results")
Calibration not
successful
Accuracy check not
successful
Sampling exceeds
measuring limits.
Troubleshooting
Remedy
switch on again (on
page 16 section
"Switching the
device on and off")
on page 17 section
"Inserting or
replacing the
batteries"
Enter the menu
again (on page 18
section "Menu").
on page 17 section
"Inserting or
replacing the
batteries"
Remedy
on page 11 section
"Adequate breath
sample"
on page 24 section
"Calibration"
on page 23 section
"Accuracy check"
press OK button to
continue with test
en
21
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