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8
Overview of possible events
Messages
© Continental Automotive Technologies GmbH
105
■ Overview of possible events
Message
Possible causes
Measure
! Security
breach
Error in the data memory; data security in the DTCO 4.1 is
no longer ensured.
The data from the sensor is no longer reliable.
The DTCO 4.1 housing was opened without authorization.
Acknowledge message.
!1 Security
breach
The card lock is disrupted or faulty.
The DTCO 4.1 no longer detects a tachograph card that
was previously inserted correctly.
The identity or authenticity of the tachograph card is not in
order or the data recorded on the tachograph card is not re-
liable.
Acknowledge message.
If the DTCO 4.1 detects security
breaches which no longer guarantee the
correctness of the data on the tacho-
graph card, the tachograph card is auto-
matically ejected – even while driving.
Reinsert tachograph card or get it
checked.
! Voltage in-
terruption
The power was disconnected or the power supplied to the
DTCO 4.1/ sensor was too low or too high. This message
can also be displayed when the engine is started.
Acknowledge message.
! Sensor fault
The communication with the sensor is interrupted.
This message will also be displayed after a voltage inter-
ruption.
Acknowledge message.
! Movement
conflict
Contradiction in the evaluation of the vehicle movement
between sensor and an independent signal source. The
function (ferry/train) might not have been set during the
shipping process.
Acknowledge message.
Consult an authorised specialist work-
shop.
! GNSS missing
No position data over three hours cumulative driving time.
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: ......