8
Overview of possible operational notes
Messages
© Continental Automotive GmbH
107
Message
Meaning
Measures
1 Wrong card
The inserted card is not a tachograph card. The card is not
accepted and is ejected.
Insert valid tachograph card.
1 Device mal-
function
Malfunction in the card mechanics, e.g. card lock is not
closed.
Remove tachograph card and insert it
again.
Device mal-
function
Malfunction at pulse output.
Check connecting cables or function of
the connected control device.
Device mal-
function
The DTCO 4.0 has a serious malfunction or there is a seri-
ous time error. For example, an unrealistic UTC time. The
tachograph card is not accepted and is ejected.
Make sure that an authorized specialist
workshop checks the tachograph as
soon as possible and replaces it, if ne-
cessary.
Observe the note displayed in case of a
malfunction of the tachograph.
Service Only!