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8
Messages
Overview of possible malfunctions
108
Instruction manual DTCO 4.1 - Edition 02/2023 - BA00.1381.41 100 102
■ Overview of possible
malfunctions
Message
Possible cause
Measure
X Internal
fault
Serious fault in the DTCO 4.1, subsequent causes can be
possible:
Unexpected program or process time error.
Acknowledge message.
Button elements blocked or pressed simultaneously for
some time.
Check proper function of the button ele-
ments.
Communication fault with external devices.
Get connecting cables or function of the
external devices checked by an author-
ised specialist workshop.
Communication fault with the instrument display.
Have connecting cables or function of
the display instrument checked by an au-
thorised specialist workshop.
Fault at pulse output.
Have connecting cables or function of
the connected recording equipment
checked by an authorised specialist
workshop.
x1 Internal
fault
Fault in the card mechanics, e.g. card lock is not closed.
Remove tachograph card and insert it
again.
x Time fault
UTC time of the DTCO 4.1 is not plausible or does not func-
tion properly. In order to avoid an inconsistency of data,
newly inserted driver / company cards are not accepted.
Acknowledge message.
Summary of Contents for DTCO 4.1
Page 1: ...www fleet vdo com Digital tachograph DTCO 4 1 Instruction manual for contractors and drivers...
Page 13: ...For your safety Basic safety information Legal requirements Intended use 2...
Page 74: ...Menus First menu level Standard values Second menu level menu functions 7...
Page 125: ...10 Printouts examples Printouts Continental Automotive Technologies GmbH 125...
Page 143: ...Maintenance and inspection obligation Cleaning Compulsory inspection 11...
Page 150: ...Technical data DTCO 4 1 Paper roll 13...
Page 153: ...Appendix Declaration of conformity Authorisations Optional accessories VDO online shop 14...
Page 163: ...Change overview Release overview 15...
Page 171: ......