Card inserted during not allowed system status
â–¶ How to fix
Incorrect card: - Check to make sure the tachograph card is valid. - Check tachograph card. Internal fault: - Check UTC time on the DTCO 4.0 and use a test device to correct if needed.
What you'll see
Display "card not valid". Display "Internal fault"
System reaction
No system-reaction text recorded.
Diagnostic depth
Detection
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Possible cause
- If the DTCO detects a system time error and a driver or company card is inserted. - The pairing attempt is started with an expired or not yet valid workshop card.