Another Unsuccessful Y-Axis calibration solved
After completing the build of my Core One over the weekend, I got jammed up on a failing Y-Axis calibration. Despite the videos that are out there, none seemed to convey what the Y-Axis calibration job should look like in terms of the intended motion. I'd start the job and the gantry would bang into the stops a few times, and nextruder would wiggle around near the right front corner, and this would repeat a couple of time and then the machine would restart with the orange screen of death. It wasn't until I started questioning myself on whether I'd somehow plugged the x and y axis motors into the wrong ports that I finally stumbled onto the solution!
When I opened up the xBuddyboard cover and reached in to check the tag on the x-axis motor, it just fell away from the connector on the board! Apparently, when I was wrapping up the cable management (pun intended) I'd unplugged that connector to reroute it, and then failed to securely plug it back it. 🤦♂️
So hopefully this helps someone!
Best Answer by AspenForester:
I guess I should have been clearer: once I securely plugged in the X-Axis motor, the X and Y axis calibrations passed on the next attempt.
RE: Another Unsuccessful Y-Axis calibration solved
Nachdem ich mehere Tage gebraucht habe - Suchen, Finden- Montieren- habe ich zigmal mit der Funktion "Kalibrieren und Teste" vergeblich versucht den Core One zum Laufen zu bringen. Die Y-Achse ist nicht kalibrierbar. Alle Bemühungen- Riemenspannung ändern, Leichtlauf der Riemen, Riemenspanner überprüfen, etc- haben keinen Erfolg. Der Kallibierungsprozess der Y-Achse läuft m.E. bis zum Ende. Imletzten Step, wenn der Wagen die Y-Strecke abfährt kommt zum Schluß dieFehle- Meldung. Bei der Wiederholung stürzt das Programm dann ab und läd neu und zeigt eine rote Fehlermeldung.
Ich habe nach allen Fehlermöglichkeiten im Handbuch und auf den Youtube-Videos gesucht, es gab keine Erklärungen Hilfen zu diesem Problem.
Bei mir war früh aufgefallen, dass der rechte Riemenspanner nur wenige Gewindegänge zur Längenkorretur hatte. Der linke aber viel zu viel Spiel hatte -habe die an der Riemenbefestigung (Riemen weiter herausgezogen) soweit möglich ausgeglichen. Hat aber nicht zu Fehlerbehebung geführt. Auffallend war immer, dass unter der Funktion "Achsen Bewegen" bei der Y-Achse ein Minuswert con 19mm stand. Irgendetwas weist hier auf eine Unsemetrie hin, deren Ursache ich nicht finden bzw. beheben kann.
Ich bin mitlerweile soweit, dass ich den Drucker zurückgegen möchte- habe ich ach dem Support bereits geschrieben.
RE: Another Unsuccessful Y-Axis calibration solved
@klaus-4, just a stab in the dark -- have you checked that the cable of the side filament sensor does not get in the way of the Y travel? It only needs to be bulged slightly inward to interfere with the linear bearing that rides on the right rail.
RE: Another Unsuccessful Y-Axis calibration solved
I guess I should have been clearer: once I securely plugged in the X-Axis motor, the X and Y axis calibrations passed on the next attempt.
RE: Another Unsuccessful Y-Axis calibration solved
After spending several days searching, finding, and assembling the printer, I tried countless times to get the Core One working using the "Calibrate and Test" function, all to no avail. The Y-axis cannot be calibrated. All my efforts – adjusting belt tension, checking belt movement, inspecting the belt tensioners, etc. – have been unsuccessful. The Y-axis calibration process seems to run to completion, but in the final step, when the carriage moves along the Y-axis, a failure message appears. When I repeat the process, the program crashes, reloads, and displays a red error message.
I've searched for all possible causes of the error in the manual and on YouTube videos, but found no explanations or solutions to this problem.
I noticed early on that the right belt tensioner only had a few threads for length adjustment, while the left one had far too much play – I compensated for this as much as possible by pulling the belt further out at the belt attachment point. However, this didn't resolve the issue. It was also consistently noticeable that under the "Move Axes" function, the Y-axis displayed a negative value of 19mm. Something here indicates an asymmetry, the cause of which I cannot find or fix.
At this point, I'm ready to return the printer – I've already contacted support about this.
Most cases I've run across: with myself and others on these forums, the Y-axis calibration error occurs when either the gantry is not square (it's slightly bent), there is a problem the bearing on side of the Y axis or (as Jürgen pointed out) perhaps the filament sensor cable is interfering.
As for the Y-axis being negative, this is totally normal and done on purpose the allow the print head to move outside the printable area for things like running a purge line or (for the upcoming INDX) fetch a toolhead. Some take advantage of this to increase the print area (with a larger sheet) in the Y direction by 20mm.
RE: Another Unsuccessful Y-Axis calibration solved
I put a wire tie on my and pulled all the way to the outside.
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