Hi @ViktorM you’re right this was a QC issue (at first). But since we had many more reports of this than expected, I had the production engineer check this. We found that the cable for the light source is a bit too short, adding around 2-3 mm of length solved the issue. But there were still many units produced and ship by the time it was corrected. Since this is a manufacturing defect, these units are being replaced under warranty. If yours works, please keep it, and only send it back if it happens again. Reason being that replacement process is bit of a mess right now. Better to wait for the backlog to be sorted first, in 2 weeks or so it will start running normally. Additionally, if you send it in now, they’ll check and find it working and return it back 
I’m checking if they replace the cable anyway.
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