Anyone here experienced this problem? On boot the leds for Env trigger, LFOs turns on for a short time and then nothing more. I contacted UDO support to see what could be the problem.
Had it. You need to load in record patch mode and write bin file to the disc. It’s strange, but it could be damaged or disappeared. Need to be renewed.
Interesting and how is that done?
Same as firmware update
Thank you mate but it looks like I cannot even enter the firmware update mode. The gemini wont even pop up as a drive neither on my pc or mac when holding patch + starting the synthesizer 
Heres an update on this case. UDO confirmed that this is a hardware failure and I am sending my Gemini for warranty repair.
I had this issue too and the unit needed to be replaced. Nothing to do otherwise. I have not had a problem with my new unit.
Here’s an update on this old post.
My super gemini has now returned from service and it works like a dream after main board replacement / system board. 
And of corse this was sorted out for free on warranty repair.
It’s kind of interesting that I did actually notice some small issues before the mainboard checked out which was volume differences on voice rotation and ribbon controller did have a gap at the end like a zone where it released it’s value. Now everything works as expected! And service was excellent just the patience to wait for everything to be done. 
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