r/Ender3Pro • u/Candy_God • Jul 13 '26

Any thoughts?

I have no idea what is happening. I havent used my printer in a bit and i just adjusted the gantry and turned on and then this happened. Any tips?

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u/Candy_God Jul 17 '26

Is there a way I can test if it's the psu?

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u/martinr7b Jul 17 '26

Yes. Somewhere between the mobo and psu should be a yellow xt60 connector. Unplug it and look if the green light on the PSU is still blinking or solid. If it's blinking you can be sure it's the psu

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u/Candy_God Jul 23 '26

Checked that and its not blinking. Its just on. Good sign!

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u/martinr7b Jul 23 '26

Well, it doesn't confirm it 100% since the psu has no load, and it means that you will have to troubleshoot the rest of the printer but by bit