Maintenance - Dräger Alcotest 3820 Gebrauchsanweisung

Fault / message
↑ ↑ ↑
(Measuring range
exceeded)
Volume too small
Volume too great
Sample interruption Irregular outward
Fault number
6

Maintenance

Have the instrument calibrated as signs of drift increase the
measurement uncertainty over time. Calibration and maintenance
should only be carried out by authorised persons, e.g. DrägerService.
Cleaning
Do not immerse in fluids and avoid contact of fluids with the connections.
Do not use any cleaning agents containing alcohol, solvents or
substances containing limonene. Wipe down the instrument with a
disposable cloth.
Cause
Measuring range
exceeded. Alcohol
residues that are still in
the mouth may cause
incorrect measuring
values.
Breath sample volume
too small.
Measuring range
exceeded.
breath, abrupt end or
intake
Instrument fault
Maintenance
Remedy
There must be an
interval of at least
15 minutes after alcohol
has been taken into the
mouth (see page 16).
To repeat, press the
button.
Repeat breath sample.
Repeat breath sample.
Repeat breath sample.
Switch the instrument
off and on again. If the
fault remains, contact
DrägerService or
dealer.
en
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