OK, I know what it means, but I am puzzled as to why it has recently started happening when it’s always worked fine before, and why it is inconsistent.
The probe seems secure and the wiring seems OK. Could the probe be defective?
Is an SN04 induction probe.
Had this exact thing happen on my Voron with the induction Omron probe. It was because the chamber was reaching 70C ambient and the probe was literally melting.
Switched to a cartographer and it’s fine now. You can try to check if your probe is visibly melted or you can increase the sample tolerance parameter in the probe section.
What’s about the klippy.log that was requested in the template you have deleted (again)
Well, firstly I couldn’t remember where to find it, and secondly I don’t understand how it would help in a query such as this.
I’ve found it now, so I will be very pleased to see how you pull the answer from it.
klippy.log (47.8 KB)
It does it when it’s cold, so I don’t think that’s the problem.
PLEASE attach a klippy.log to your next post.
Another one?
It’s uploaded on the last post.
Sorry, overseen that.
probe at 114.640,7.000 is z=-0.346278
...
probe at 114.640,7.000 is z=-0.114450
That is quite a difference.
Have you checked the mechanics? Lose screws?
First thing I looked for.
I’m not saying that it isn’t a mechanical fault, just not one that I can find.
I’ve tried watching it carefully while it does it, and I’ll try that again when it’s next finished printing.
Do you have a magnetic built plate?
Aluminium, with one of those build plate stickers on it, although it’s not stuck down particularly well, which is another puzzle, but not one for here, I think.
With the distance varying about 0.2 mm at the same spot in quite a short time: Could that be vibration?
Which board is this? Seems either a SKR1.3 or SKR1.4
Sorry for the delay in replying. It claims to be an MKS SGEN_L V1…
One thing and another it took me a while to get onto this and it looks like it was an ID10T error: the nozzle was batting the plate.
The only remaining puzzle is of why it was doing that so inconsistently. :?
Overall, I’d think it is rather a mechanical thing than a setting thing.
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