3DPrinting

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3DPrinting is a place where makers of all skill levels and walks of life can learn about and discuss 3D printing and development of 3D printed parts and devices.

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Elegoo Neptune 3 no longer turns on (self.3dprinting)

submitted 9 months ago* (last edited 9 months ago) by papalonian to c/3dprinting

32 comments fedilink hide all child comments

Hi all. Yesterday, my printer stopped responding to commands from the touch screen, so I shut the printer off and turned it back on. Now, the printer and screen turn on (power fan spins and screen backlight comes on), but the screen does not display anything, and the printer cannot be reached via USB. Multiple power outlets and cables have been tried, and all cables inside the main chassis are securely connected except for the Z- cable (which has been replaced by a BLTouch). There is a single red LED on the motherboard that lights up when the machine is powered on. Does anyone have any ideas how I can try to diagnose this? I've sent an email to elegoo, but I've heard it can take weeks to get a response, and I'm trying to get things ready for a DnD campaign starting this weekend.. thanks for any tips.

Edit: for anyone finding this post looking for help, you're SOL. Elegoo responded to me, and after sending them a couple pictures, they've determined my motherboard to be dead, and are not willing to provide a free replacement since I'm just outside of warranty. Now I'm torn between getting a new motherboard (waiting on a quote from them) or just saving for a better printer.

Edit 2: after some very light complaining, Elegoo is making right and sending me a new motherboard free of charge.

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[–] [email protected] 2 points 9 months ago (1 children)

So, I've had something similar happen to a creality printer, which was just the excuse I needed to bench it. I gave it to a student later, he plugged it in and it just ...worked.

So my first reflex would be to tell you to unplug it and hold the power button, to empty any residual charges/memory.

[–] papalonian 1 points 9 months ago (1 children)

That was one of my first thoughts, after a few attempts at power cycling I did the same with the printer unplugged to make sure she was empty. That's awesome it worked for your student though; you got an excuse to buy a fun new toy, and they got a great learning tool 👍🏽

[–] [email protected] 1 points 9 months ago (1 children)

Well, there is a reason I was trying to get rid of that printer 😅. The school had two Creality CR-5S that were donated from a Chinese university. You won't find anything about them online (except for one YouTube video describing how terrible they are). Not sure how much of a gift it was to the student.

[–] papalonian 2 points 9 months ago

Well.. like I said. Great learning tool. They'll spend so much time working on the printer that when something stupid happens to their next one, they'll already know how to fix it!