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hot end of 3d printer problem? Answered

Hello instructors
 i build big 3d printer 1000mm *800 mm *800mm  its working ok . but i have problem with hot end in the second layer stop milting filament  i build three 3d printers but this the first time i see like this problem if any one have ideas what the solution 

thanks to u

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iceng

Best Answer 2 years ago

And finally you may be feeding the fiber too fast and higher up it cools faster..

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seandogue

2 years ago

if it stopped heating sufficiently to melt the fiber, then either the heater element has failed, the wiring to the heater has failed, the FET delivering current to the heater has failed, the temperature sensor has failed, or the code isn't doing its job. Check each to isolate the issue, starting with the electrical properties.

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براءاseandogue

Answer 2 years ago

thank you very mach seandogue i check it before it not the mine problem to day i faind it s extruder problem didnot make the filament flow