Y homming fails

I have a 235/235 bed, but for the moment I can only use X 235 / Y 193. I have attached the file printer.cfg where we can see that I have set the dimensions of the bed and the endstops positions. I can do home on the x and z axes without problems, z tilt works without problems, but on the y axis I can't make it work in any way. When I run the y home command, it randomly hits the endstopswitch as if it wants to go further as if it didn't exist, or the bed lowers a few millimeters and then gives me the error from the attached print screens. I tested the endswitch by hand and it appears that it is triggered, I can move each axis in the correct direction.... Can someone help me and looks in printer.cfg and tell me what I'm doing wrong?
17 Replies
blacksmithforlife
blacksmithforlife•10mo ago
position_min: 45.4 # Y dimensions 193mm
yet in your picture you can see it is trying to go to 45.350 instead of
position_endstop: 45.5 position_min: 45.4 # Y dimensions 193mm position_max: 235
it should be
position_endstop: 0 position_max: 193
and then you need to move your Y endstop so that it triggers at 193
florinangeru
florinangeru•10mo ago
No description
florinangeru
florinangeru•10mo ago
This is my situation
blacksmithforlife
blacksmithforlife•10mo ago
yes, you need to adjust the max of Y. the bottom left in your printer is 0,0
florinangeru
florinangeru•10mo ago
thank you very much for clarifications 🙂
florinangeru
florinangeru•10mo ago
I made the suggested changes, but now when I run the Y home command, the bed lowers a few millimeters, then the attached error appears, without moving the Y axis.
No description
florinangeru
florinangeru•10mo ago
No description
florinangeru
florinangeru•10mo ago
if I manually push the Y axis until the endstop is triggered and then run the Y home command, I get this error
No description
blacksmithforlife
blacksmithforlife•10mo ago
screenshots don't help, you should always upload your full printer.cfg after making a change for us to help the bed is supposed to drop a few CM so that the hotend doesn't hit it
florinangeru
florinangeru•10mo ago
this is the actual printer.cfg
blacksmithforlife
blacksmithforlife•10mo ago
did you physically move your Y endstop so that it triggers at 193?
florinangeru
florinangeru•10mo ago
yes, I think it's drop 15-20mm
blacksmithforlife
blacksmithforlife•10mo ago
the homing sequence doesn't know where you are in Y. So it tries to move towards Y max (in your printer.cfg 191) until it hits the endstop. Once it hits the endstop it knows it is at Y max. If it doesn't hit the Y endstop after moving 191, it will throw that error
florinangeru
florinangeru•10mo ago
This is my y endstop
No description
florinangeru
florinangeru•10mo ago
at this moment if I run the command y home the Y axis does not move at all, the z axis goes down and then the error appears from what I understand where the endstop is now is 0, and on the opposite side is 191. Shouldn't the y-axis go to 0 instead of going to 191?
blacksmithforlife
blacksmithforlife•10mo ago
no, it homes towards Y=max not Y=0 just saw this
position_endstop: 0.1
this is wrong, it should be
position_endstop: 193
florinangeru
florinangeru•10mo ago
yes, now it works perfectly 🙂 Thank you very much
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