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Repair information for the Creality Ender 3 Pro--an upgraded version of the Ender 3 3D printer, made by Creality. Released in September of 2018. Model number: Ender 3 Pro.

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3D printer blue screen

Built printer, then it turned on. Leveled the plate to the print Nozzle with a piece of paper. I printed 2 test models then a 5 hour model. All 3 models we fine. Then turned off printer. The next day I turned the printer on and only got a Blue screen.

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was the printer bumped at all?

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No.

I did a puzzle tube print which took 5 hrs, when it was done I turned the printer off. The next day when it turned it on it had the blue screen.

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ok, check the connections maybe. there is one on the back of the LCD and another inside the CPU

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Are you using octoprint or an SD card to print your models? Try using octoprint instead on an SD card, I accidently inserted the wrong SD card and it corrupted the firmware. Try re-flashing the firmware , that usually did the trick the few times it happened to me. On one occasion the LCD connector was loose. good luck.

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I checked all the connections before hand and then went through a lot of different things that others have said to do., nothing helped.

I just don't know what else it could be. It is brand NEW. I just got it and did 1 print job, turned it off after it was finished, next morning turn it on and got the blue screen.

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1 Answer

its 1 of 3 things u have a loose LCD or not connected properly it could be that u have attempted to mess with the power management by accident and now it's has too much/&or to little voltage and is ether broken or not working properly, or 3 it's something on the board that's needs replacing these are the most common things i run into

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