Core XY won't home X if near Y endstop
-
Voron 2.4 Core XY
Printer was running fine before I had a crash where the print head collided with a warping part and stopped the printer.
Now it won't work correctly.
If I center X and Y axis first, it homes correctly hitting all endstops.
If I try homeall.g again right after that, it will not move on the home X move and ultimately get confused about where the print head is relative to X; which then messes everything up.What diagnostics do I have available to figure this out or does anyone have any ideas what is wrong?
-
@erice555 was the only thing that happened the crash? I can't see how that would have impacted the configuration but to help me understand how the printer homes please post your homeall.g (using the </> to format it for easy viewing).
What happens if you just send home X after homeall?
-
@erice555 said in Core XY won't home X if near Y endstop:
If I try homeall.g again right after that, it will not move on the home X move
I'm sure the X-endstop is already triggered, you can test it by sending M119 from the console after running homeX.g
-
So using M119 I can see that X somehow says "at max stop" even after it has moved away from max stop.
Ideas?Here is my homeall.g:
; homeall.g
; called to home all axesG91 ; relative positioning
G1 Z8 F800 H2 ; lift Z relative to current position; Homing Moves
G1 H1 X310 F6000 ; move quickly to X axis endstops and stop there (first pass)
G1 H1 Y310 F6000 ; move quickly to Y axis endstops and stop there (first pass)G90 ; back to absolute mode
;Homing Z
G1 X204 Y310 F3600 ;position of Z swtich ;
G1 H1 Z-200 F360 ; move Z down until the switch triggers ; speed 360
; never leave nozzle on endstop in case nozzle is hot = BAD; Z Offset
G1 Z10
G1 X195 ; move to the side of endstop pin
G1 Z0 ; PEI move to 0
G92 Z.55 ; PEI : reset to actual height; Slow nozzle wipe
G1 X182 F3600; move TO brass brush
G1 X145 F200; move through brass brush
G1 X165 ; move back through brush; Parking Position
G1 Z10 F6000 ; park it -
@erice555 I am going to replace the X endstop and see if this is somehow a switch problem.
-
@erice555 how far do you need to move away to.show that it's not triggered?
-
Solved.
Or rather, not solved but I know what the issue is. I put in a new endstop switch but in doing so found the wiring between the switch and the mainboard is broken on one wire. Somehow since it worked on one wire of the two, it allowed the switch to trigger when it was triggered but according to the mainboard it acted like it was stuck down. So the only time it would act as normal was right after startup when the endstop had not been fired yet. -
@erice555 thatt is very strange failure mode, but glad you found the problem. out of interest what sort of homing switch are you using?
-
