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Extruder fails to extrude at random

Posted by niko7193

niko7193

Extruder fails to extrude at random
January 19, 2017 01:12PM

Registered: 7 years ago
Posts: 2

I am printing on a bq pruse i3, and i am starting to experience that that i end up with smal holes in my layers, picture 1. i have made the exact same print befor and had fine results I don't realy know what the problem is and could really use some help.

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niko7193

Re: Extruder fails to extrude at random
January 19, 2017 01:23PM

Registered: 7 years ago
Posts: 2

something i just noticed, when extruding large amounts fast, it fells and looks like it is vibrating very fast

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samarpan

Re: Extruder fails to extrude at random
January 19, 2017 03:04PM

Registered: 7 years ago
Posts: 1

I try to heat the nozzle, the lcd screen shows that it's not heating and in a few seconds sent the message:
"Printing Failed
PRINTER HALTED
Please Reset"

I tried a few times again and again but its always the same.

Can someone help me with this?

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Supermec

Re: Extruder fails to extrude at random
January 19, 2017 06:51PM

Registered: 7 years ago
Posts: 181

Check the connections to the hot end heater, if necessary move the wires about. It sounds as though your extruder heater has failed. Unplug from the control board and take a resistance reading. A 40W extruder heater should read about 3.6 Ohms.

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Supermec

Re: Extruder fails to extrude at random
January 19, 2017 06:54PM

Registered: 7 years ago
Posts: 181

Niko7193,

Check that you don't have a partial blockage of the nozzle. Slow the print down as well and see what happens. Sounds like either grinding filament or missing steps.