MCU Update error

Hello. Today me and my son bought 2 used V-minions. I´ve got one of them up and running and was able to control it and start a print. After i Updated everything i get MCU errors. I have no idea how to update the MCU. Can someone lead me in the right direction.
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20 Replies
blacksmithforlife
if you are using ratos it should have automatically flashed it for you. It makes me think that whoever had it before you didn't set up ratos correctly I would go through https://os.ratrig.com/docs/installation#preparing-your-control-board and re-flash your MCU using those instructions which should get you back to a working state
correct-apricot
correct-apricot16mo ago
Yes. It is using Ratos. I will try the link. Thank you
correct-apricot
correct-apricot16mo ago
Problem is that is think the wizard should be here. but I only gets an blank page
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blacksmithforlife
ohh you are probably using the 1.x version of ratos. That is end of life (current is 2.x, and they are incompatible with each other). Save your printer.cfg to use as reference and then do a new install of ratos (same documentation as before, just start at the beginning insted of the preparing your control board step)
correct-apricot
correct-apricot16mo ago
Thanks for the help so far. I will try it.
blacksmithforlife
if you have any trouble, just post again here. We should be able to get you back up and running soon
correct-apricot
correct-apricot16mo ago
Thanks alot. Best thing is that i have 2 machines. the one I´m trying to upgrade now. And an other one thats a bit more rough after an meltdown
correct-apricot
correct-apricot16mo ago
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correct-apricot
correct-apricot16mo ago
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correct-apricot
correct-apricot16mo ago
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correct-apricot
correct-apricot16mo ago
What i can read of the mainboard its a bigtreetech SKR 2 and 429 chip?
blacksmithforlife
you downloaded the firmware and used an SD card to flash it?
correct-apricot
correct-apricot16mo ago
Yes. I got everything working now. And begun to calibrate it 🙂
VascoFaria
VascoFaria10mo ago
Hello, I have a similar problem on update. I made "update all components" and after that, i got the same error:
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VascoFaria
VascoFaria10mo ago
I try to run configuration but also got a blank page:
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VascoFaria
VascoFaria10mo ago
But on my case, i have the RatOS 2.0, and all updated except the MCU:
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VascoFaria
VascoFaria10mo ago
Didn't find any similar problem to follow, I'm stuck here. Does anyone got a hint where i should go or try?
blacksmithforlife
please start your own post
VascoFaria
VascoFaria10mo ago
Just though would be better (keep cleaner) to put my issue here, as it's a very similar one. But just for record on future consult, i had solve my problem using a new SD card, making a new installation, update all components (that properly update the MCU). Then put back the old card and it was all OK now.
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