No trigger on y

General Discussion
1

Basic Information:

Printer Model: ender 3 v2
MCU / Printerboard: 4.2.2
klippy.log

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Describe your issue:

Hi all!

I’ve been using klipper on my eryone thinker S for awhile and its made that printer work amazing so when a buddy of mine told me he was having all sorts of issues with his v2 my first thought was screw stock fw lets move to klipper. Long story short I have klipper flashed and connected to mainsail but the config has me stumped, I’ve tried multiple settings and templates found online and have had no success.

during the homing process the x axis will move and touch the endstop switch and then just start grinding and thats it, and then it will say the error no trigger on y.

…
klippy.log (1.4 MB)

2

Please post code/config snippets with the Preformatted Text tag:
grafik
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3

Quite simple. Either

  • Wrong endstop pin
  • Wiring issue
  • Defect endstop

Refer to Configuration checks - Klipper documentation how to test without killing your axis.

4

It didnt do this with stock fw, i did replace the endstop with a known working one which didnt fix it.

I am going to tear it down and double check connections but yea thats why im stumped because on stock fw it didnt have this issue

5

Uhhm. Klipper isn’t stock at all.

Does the X endstop work?

6

I know klipper isnt stock, it had stock fw before it had klipper and I did not have this issue with stock fw.

Now that it is running klipper it has this issue. I have not been able to get passed this error since flashing it with klipper

7

Ok update.

I ran the test for the endstops etc and everything test fine so it has to be something in my configuraton.

8

Is it possible that you switched axes? I.e. when commanding X to move then actually Y moves and vice versa?

9

X is actually fine now, its now doing it for y.

I havent changed the wiring from when it was printing on stock firmware but now with klipper it wont even finish homing

10

Well, if you tested the endstops and they reliably work, then your config WRT to the endstops is correct.

The error No trigger on y after full movement means that Klipper did not recognize an endstop trigger when running the axis against it.

Make sure that:

  • Your endstops really trigger reliably
  • Klipper homes X first then Y on a G28 → Are the correct axis moving? Test individually, e.g. G28 Y
  • Do the axis in fact move towards the endstop and not away from it?
11

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