extruder making strange noise

Mostly Printed CNC - MPCNC Troubleshooting
1
  1. Did you buy everything from here?
    everything was initially purchased from here. however, upon plugging in the mega for this first time, I heard a small pop and looked over to find that my mega was releasing blue smoke. I ordered a mega off of amazon and substituted it for the broken one.
    b)What firmware?
    I am currently running the no lcd marlin firmware supplied on the website
  2. Are you using end stops?
    none yet.
  3. Are you using all my recommended parts?
    yes

when I try out a print, I find that the extruder just lets out a loud squeaking noise that cant be good for it. I tried without the 1.75 mm filament and it just emmited the same horrible noise. I’m fairly sure its hardware related, but am unsure how to fix it.

any ideas?

2

Did you set the voltage on the extruder driver potentiometer?

3

that… is an excellent question. no actually, I got it on amazon and wasn’t sure how to set it without an oscilloscope.

4

never mind, I realized that
first of all, an oscilloscope was never involved
and second of all, that there was no need for me to set them myself, as I could just order them on your store

5

Mine are not preset either. I only preset the ramps bundle. You can set yours by feel but it is so much safer to just use a multi meter.

6

shizzle.
I’ll see what I can do

7

What should the extruder driver be set to?

8

If you are using my extruder that between .6-.7V. If you got your elsewhere you need to check the manufactures spec sheet.