This code means that the workshop card inserted in drawer 1 (driver 1) is blocked.
Code 052 is shown as an operational message and indicates that the inserted workshop card cannot be used.
In most cases, this happens because the workshop card has been blocked after five unsuccessful PIN entries. It may also appear if the workshop card is defective.
If Code 052 appears, the workshop card should be checked and a valid (not blocked) workshop card must be inserted in order to proceed. If the card remains blocked or is suspected to be defective, it should be assessed by an approved tachograph centre.
🔗 Find an approved tachograph centre:
https://www.gov.uk/find-approved-tachograph-centre-atc
