Overview Of Possible Malfunctions - VDO DTCO 4.0 Instruction Manual

Messages
8
Message
x Device faults
x1 Device fault
x Time fault
102
■ Overview of possible
malfunctions
Possible cause
Serious fault in the DTCO 4.0, subsequent causes can be
possible:
Unexpected program or process time error.
Button elements blocked or pressed simultaneously for
some time.
Communication fault with external devices.
Communication fault with the instrument display.
Fault at pulse output.
Fault in the card mechanics, e.g. card lock is not closed.
UTC time of the DTCO 4.0 is not plausible or does not run
properly. To avoid an inconsistency of the data, newly in-
serted driver/company cards are not accepted.

Overview of possible malfunctions

Measure
Confirm message.
Check proper function of the button ele-
ments.
Get connecting cables or function of the
external devices checked by an author-
ised specialist workshop.
Get connecting cables or function of the
display instrument checked by an au-
thorised specialist workshop.
Get connecting cables or function of the
connected control device checked by an
authorised specialist workshop.
Remove tachograph card and insert it
again.
Confirm message.
Operating instructions DTCO 4.0 - Edition 11.2018 - A2C19916900