Helium, no life sign

Community Help With My Project
1

Hi,
have a Heltec board and example Arduino code from Helium. Helium console says
Device EUI = 6081F9195AE76804

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image1374×261 18.9 KB

connection in console
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image779×154 6.46 KB

But my dashboard does not show anything…

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image1605×534 39.9 KB

How can I debug this?
Thanks,
Martin