44 © Continental Automotive Issue 02/2017
3. Troubleshooting guide
3.1 General information and Meanings
The BVDR tachograph contains a function which registers in memory and
indicates to the operator the product's malfunction. The code table below shows
which are the failure, their possible causes and solutions.
If the failure still persists after his intervention, the driver should seek an
authorized VDO service station for a more accurate diagnosis of the reasons
that are causing the failure.
Error, Possible Causes, Solutions and
Comments
Meaning
Code 01 - Internal tachograph error
This message appears in case of an internal
error in the tachograph, after undertaking
internal testing.
Possible causes
A flaw in the software that controls the
tachograph or even a fall or data
manipulation attempt occurred.
Solution
The tachograph must be checked by an
authorized VDO workshop for assessment
of failure.
Meaning
Code 02 - Power Failure
This message appears in the event of
tachograph power interruption (switching off
the main battery of the vehicle).
Possible causes
Problems in the electrical part of the vehicle
or battery depletion.
Solution
The tachograph must return to work when
the battery is reconnected.
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