Overheating Microcontroller/Dead board
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SO I have had this duet board for about 2 months while waiting for my parts, the board was tested on a different build and had no issues. When I went to assemble the board with my railcore build, a friend of mine noticed that the microcontroller was getting extremely hot under just the USB power.
At that stage, the lights on the board were flickering as well as the e6 light on the duex 5 expansion board
We tried to reset the board and firmware. now the device just shows up with the following error message:
The device is not detected in YAT either
note the bossa driver had to be installed manually, it did not pop up on its own after the board was erased and reset
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 Here is an image of the board:
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Can you try uploading your image again? It can take a moment to fully load.
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When and where did you purchase the board?
See how far along you can get through this: https://duet3d.dozuki.com/Wiki/What_to_do_if_your_Duet_won't_respond
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@Phaedrux purchased in august through filastruder, and I went through all these steps3
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do you have a different computer / usb cable you can try?
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I would say there may be a chance that flashing the firmware could get it back on track, but if it's reporting the USB device as failing I think that's unlikely to happen.
I'll see if there are any other ideas on what to try.
Was there any potentially shorted wiring during the railcore assembly? Definitely double check for that since we wouldn't want to kill a replacement board if it comes to that.
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Would you be able to connect VIN power only and see if the 5v LED lights up?
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on vin power the board looks the same
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The little dark spot on the microcontroller, under where the sticker were, is that just something visual or is it a bump/hole?
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Please contact Filastruder and initiate a warranty exchange. Include a link to this thread as authorization.
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@bearer just a visual artifact
