recurring driver stall error

wouldstain

Does anyone have any insight as to what driver stall errors could mean? I get a fair number of driver 1 stall errors (normally a few per print job) and occasionally driver 0 stall errors.

This happens on any print job with any settings.

WiFi/Ethernet 3.4.0 (2022-03-15)
Duet WiFi Server Version: 1.26

config (1).g

Also, the "download as .csv" and "download as txt" functions on the console info do not seem to be working.

4/26/2022, 2:48:59 PM Warning: Driver 1 stalled at Z height 37.22
4/26/2022, 2:39:57 PM Warning: Driver 1 stalled at Z height 36.33
4/26/2022, 2:29:24 PM Warning: Driver 1 stalled at Z height 35.43
4/26/2022, 2:07:53 PM Warning: Driver 1 stalled at Z height 33.05
4/26/2022, 1:50:39 PM Warning: Driver 1 stalled at Z height 30.97
4/26/2022, 1:48:12 PM Warning: Driver 1 stalled at Z height 30.67
4/26/2022, 11:18:21 AM Warning: Driver 1 stalled at Z height 14.29
4/26/2022, 10:29:01 AM Warning: Driver 1 stalled at Z height 10.72

droftarts

@wouldstain Your config.g:

; Axis and motor configurations
M350 X16 Y16 Z16 E16 I1		; set 16x microstepping for axes& extruder, with interpolation
M906 X1400 Y1400 Z1000 E800 I60	; Set motor currents (mA)
M92 X200 Y200 Z1600 E814	; steps/mm -> 092021: droped E from 837 to 830. tested at 814
M566 X1000 Y1000 Z100 E3600	; Maximum jerk speeds mm/minute change e from 1500 to 3600
M201 X3000 Y3000 Z100 E1500	; Accelerations (mm/s^2)
M203 X24000 Y24000 Z900 E3600	; Maximum speeds (mm/min)

I'd guess it's because you are driving the Z axis too fast, either with too high jerk, acceleration, or max speed, or current to Z motors is too low (depends on motors of course). Most likely jerk, then acceleration; try M566 Z20 and M201 Z50.

To tune motors, use a binary search method for each parameter. See my post here for an example: https://forum.duet3d.com/post/276309

Ian

wouldstain

@droftarts Will give it a try! Thank you!