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Troubleshooting
en
5
Troubleshooting
Fault / message
Instrument cannot
be switched on.
Volume too low /
sample invalid.
Volume too large
Instrument outside
temperature range
Measuring range
exceeded
Sample interruption Abrupt breath
Fault number
12
Cause
Battery empty.
Test subject is blowing
intermittently or not
hard enough.
Measuring range
exceeded.
Instrument too hot or
too cold.
Measuring range
exceeded. Residual
mouth alcohol may
cause incorrect
measuring values.
interruption or
inhalation detected
Instrument fault
Remedy
Replace the battery.
Blow more strongly and
without interruptions
into the mouthpiece.
Repeat breath test.
Allow the instrument to
cool down or become
warmer.
There must be an
interval of at least
15 minutes after alcohol
has been taken into the
mouth (see page 6).
To repeat, press the
button.
Repeat breath test.
Switch the instrument
off and on again. If the
fault remains, contact
DrägerService.
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