Hi @flnielsen,
This error mean that there is to "much" difference between the two nozzles height when touching the bed, normally this difference is 3 mm and there is a value + or - 0.XX mm, that'll give this error. ( I do not know this limit).
This system is made to avoid the most common problem "all" of us faced sometimes.. Yes good bed leveling and proper bed adhesion.
1) Dirty surface on the bed, this might result in error when the core no2 awaiting the raising "dirty bed". (Distance to hi.)
2) Did you calibrate the Nozzle switch position? The micro switches wear (home position may differ just a little) -and also the shift mechanism in the head..
3) How much wear does the core1 have, as high hour in use -or use of abrasive filament..
4) Is the front cover sitting properly, no play? The shielding is also an active part of the capacitive sensor, so it can easily fail by using electronics creating strong EMF radiation.. Keep cellphone and other electronics away during aut. level proc.
5) If one of the wires attached to the captive sensor come loose, intermittent connection. The red and withe wires connected to this sensor.
Here is the calibration procedure for the Core switch:
So, as you see, here's lots of mechanical issues that can trigger this error.
Also, later software update might revise limits etc., -so proper calibration might be the key.
(aut -automatic)
(proc- procedure)
Well, good luck.
Thanks
Torgeir
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celadon_one 0
I'm actually having the same problem since updating to firmware 5.8.2. In my case, I manually leveled the bed as a first step before calibrating X and Y (shapes were just ever so slight askew). I printed a small cube to see if this helped any (not that I expected it would). Before calibrating X and Y, I updated my firmware. Now I get this same error. Tried swapping out print cores, but to no avail.
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