Main article: Tachograph troubleshooting (general)
Description of the issue:
Authorization error is being displayed when trying to download DDD files from the tachograph. This happens because authorisation to download the file, either Driver of Tacho, which is gotten from the Company card, failed to be obtained for some reason.
Background information (Documentation sources):
Troubleshooting steps:
1- Perform the basic troubleshooting steps: Tachograph Troubleshooting - Basic Checklist (Support version)
1.1- If client is using Lisle Card reader, refer to: Tachograph troubleshooting - Lisle Design company card reader
2- Collect a terminal log: Tachograph troubleshooting - Log collection
3- Collect a server log: How to get server logs
4- Pass all the information to 2nd line.