FB4 shows QR-Code

friedl01

New Member
Hello colleagues,
i bought a used FB4 interface. It shows a QR code when starting and nothing is possible anymore. It is also not recognized in the Beyond. I installed a new SD card because the other one appears to be defective and can no longer be contacted. As a test, I copied the contents of one of my other FB4s onto it. Same result. Maybe one of you can tell me what's going on with this part.

Thanks in advance, Micha
 

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