8Overview of possible events Messages© Continental Automotive GmbH99■ Overview of possible eventsMessage Possible causes Measure! Securitybreach Error in the data memory; data security in the DTCO 4.0 isno longer ensured.The data from the sensor are no longer reliable.The DTCO 4.0 housing was opened without authorization.Confirm message.!1 securitybreach The card lock is disturbed or defective.The DTCO 4.0 no longer detects a tachograph card thatwas previously inserted correctly.The identity or authenticity of the tachograph card is notproper or the data recorded on the tachograph card is notreliable.Confirm message.If the DTCO 4.0 detects securitybreaches which no longer guarantee thecorrectness of the data on the tacho-graph card, the tachograph card is auto-matically ejected – even while driving.Reinsert tachograph card or get itchecked.! voltage in-terruption The voltage was disconnected or the supply voltage of theDTCO 4.0/ sensor was too low or too high. This messagecan also be displayed when the engine is started.Confirm message.! sensor mal-function The communication with the sensor is interrupted.This message will also be displayed after a voltage inter-ruption.Confirm message.! Movementconflict Contradiction in the evaluation of the vehicle movementbetween sensor and an independent signal source. Thefunction (ferry/train) might not have been set during theshipping process.Confirm message.Consult an authorised specialist work-shop.! GNSS missing No position data over three hours cumulative driving time. Confirm message.Service Only!
