Hello MarkoG,
If the power and connections are normal, and the driver software is functioning properly, we recommend that you try resetting the minimum and maximum values of the pedals. Below is an official guide on how to set the min/max values. We hope it helps.
https://forum.cammus.com/t/official-guide-troubleshooting-no-signal-input-on-lc100-lc200-pedals/
For any other issues, welcome to visit our Support Portal to search for solutions in our Knowledge Base, or submit a ticket directly.
Thank you for your feedback and support!