Fault/message
↑ ↑ ↑
(over range)
Volume too small
Volume too great
Sample interruption
Fault number
... DAYS
Until next service!
... DAYS
Service expired!
6
Maintenance
6.1
Replacing the battery
1.
Switch off the instrument.
2.
Slide the battery cover off.
3.
Replace the battery (battery type: 3 V CR123A; order no.: 83 21 390). Pay
attention to the correct polarity.
4.
Fit the battery cover.
5.
Check that the time is correctly set.
If the battery replacement process takes longer than 5 minutes, the time
must be reset. A measurement is only possible with the time set.
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.
Irregular exhalation,
abrupt end, or inhalation
Instrument fault
In ... days next service is
needed.
Since ... days service is
needed.
Maintenance
Remedy
A wait time of at least
15 minutes after alcohol
was last orally consumed
must have elapsed. (see
Page 7).
To repeat test, 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.
Contact DrägerService or
dealer for device service.
Contact DrägerService or
dealer for device service.
en
13