A2L Homing-Y axis issues

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Brand new A2L with a homing-Y axis issue. Had printer 1 for about 3 weeks and then started getting this Y-axis issue. Been talking to support and they sent me a new one as they said the motor was bad. So I have a another new A2L and now after about 40hrs, I am seeing the same error again. Its always the Y axis it seems. The plate will move all the way forward or back and then make a horrible noise as the motor just grinds away. There are not obstructions at all, no poop under the plate etc.

I think that this is a software/firmware issue now I have seen it on two units. Both running the initial 1.0 firmware release.

I can’t be the only one with this issue? Am I?

I have no idea about programming/software/firmware but I’m thinking you’re on to something.

I recently went to school with a sledgehammer (yes, because that’s how I am) on my A1. Had 2500 hours on it and then had a nozzle heating issue. Fixed that and immediately had a Y-axis issue right after. Every attempt to fix this led me to the sledgehammer.

Would love for the knowledgeable to give their ideas as to why this occurs.

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Same here, on firmware 01.01.00.00…after about 60h printing, it started giving me randomly the same issue (Ofc nothing is interfering with Y rails or with the sensor ). Last time i had to factory reset the printer cause i wasn’t been able to print at all, but the issue came again…Next time it stucks, i’ll just try a new calibration, but it’s getting annoying…

Sorry to hear, but glad I am not alone. They they want to me take the underside apart and see if the cable is loose for the Y-axis motor.

I was asked by Bambu to check the y-axis motor wiring harness connection under the bottom of the machine. All looked ok and I put it all back together, but since this check I have not had an issue since. Maybe 40-50 hrs of printing. Bambu has sense sent me a new y-axis motor to replace mine, but so far things are good again. It could have just been a poorly connected motor from the factory.