Stepper Noise after Update to 2.1.0 RC2

Hello everyone. I updated my V-Core 3.1 500 to RatOS 2.1.0 RC2 a few days ago and so far everything looks good and feels nice. Except for the stepper noise, which has appeared after the update and wasn't audible before. I mean that melodic whining sound, you probably know what I mean. Didn't have that with 2.0.x and I can't figure out what setting to change to get rid of that noise. I don't mind a loud printer, but that high pitch tone is driving me nuts πŸ˜„ Thank you in advance for your help
14 Replies
vsdrake20
vsdrake20β€’11mo ago
Following, I have a similar issue. V-Core 3 300 coming from 2.0.x steppers were quiet but now after the 2.1 upgrade they emit are very high pitched sound when moving but also when they are engaged and stationary. @danielk have you solved this issue yet?
danielk
danielkOPβ€’11mo ago
Unfortunately not, I double checked the config on all stepper related stuff but found no difference to the settings I had before. Also asked this question in a Facebook group and there was someone having the same issue too.
vsdrake20
vsdrake20β€’11mo ago
Same, I had archived everything off and confirmed the TMC2209 set up and voltages on the steppers and they looked the same. 😦 Bummer really. Its quite loud. I am rocking the LDO-42STH48-2504AC and the SKR Pro v1.2. Not sure if you have a similar setup.
danielk
danielkOPβ€’10mo ago
Exactly. I also have the same LDO motors, only a different board (Octopus 1.1 F446). Didn't find anything online regarding that issue except for the stealthchop option. When I activate stealthchop, the noise is gone, obviously, but I haven't had it activated before in 2.0.x and don't want to sacrifice precision and torque for silence πŸ˜„ Any luck yet with solving the issue?
vsdrake20
vsdrake20β€’10mo ago
Nope. Hoping someone else might be able to resolve the issue. I have been printing with it the way it is and man its disruptive.
danielk
danielkOPβ€’10mo ago
Totally agree πŸ™ˆ Can't be we're the only ones having this issue
PlastNiklas
PlastNiklasβ€’8mo ago
Just got this today updating. Octopus v1.1 F446 and same LDO-42STH48-2504AC steppers. Both Z and AB Also, z is higher pitch than before. Amp change maybe? Realtime analysis is also showing higher amplitude in z signal at idle stealthchop_threshold: 0.1 works for shutting them up while idle. hopefully wont fuck anything. Did you ever solve it?
Ricky
Rickyβ€’7mo ago
Hello, having the same problem with the stepper noise. In the video you hear it when it print the curves. Does any anyone have a solution? I’m already thinking about to switch to normal Klipper.
blacksmithforlife
blacksmithforlifeβ€’7mo ago
what do you mean by "normal klipper"? Ratos uses plain klipper
Ricky
Rickyβ€’7mo ago
Yes, I know but with the old RatOS it doesn’t make this sound maybe I switch back to Klipper not RatOS
blacksmithforlife
blacksmithforlifeβ€’7mo ago
look at the klipper.log for the old RatOS and the new. That klipper.log contains the full configuration, and you can see what changed between them that is seemingly causing your issue then you can override in your printer.cfg with whatever change you want to test
Ricky
Rickyβ€’7mo ago
Don’t have the old RatOS Klipper.log 😣
blacksmithforlife
blacksmithforlifeβ€’7mo ago
do you have your old printer.cfg? You could install 2.0 on a different SD card
Ricky
Rickyβ€’7mo ago
I give it a try!

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