Stepper movement issue

General Discussion
1

klippy-1.log (577.9 KB)

I’ve recently been trying out Klipper, but I just can’t seem to get any of the motors to move. It receives inputs from the end-stops, it even activates the steppers when I try to home, It just won’t actually move them.

I’ve tried looking up a handful of things to no avail, hopefully someone knows what’s going on, because I certainly don’t. It’s a stock ender 3 pro with the v4.2.2 board (STM)

[stepper_x]
step_pin: PB9
dir_pin: PC2
enable_pin: !PC3
microsteps: 16
rotation_distance: 40
endstop_pin: ^PA5
position_endstop: 0
position_max: 235
homing_speed: 50

[stepper_y]
step_pin: PB7
dir_pin: PB8
enable_pin: !PC3
microsteps: 16
rotation_distance: 40
endstop_pin: ^PA6
position_endstop: 0
position_max: 235
homing_speed: 50

[stepper_z]
step_pin: PB5
dir_pin: !PB6
enable_pin: !PC3
microsteps: 16
rotation_distance: 8

position_endstop: 0.0 # disable to use BLTouch

endstop_pin: ^PA7 # disable to use BLTouch

endstop_pin: probe:z_virtual_endstop # enable to use BLTouch
position_min: -5 # enable to use BLTouch
position_max: 250

2

Hallo @Rthunt15 !

Silly question: The printer is powered on and the MCU is not just backpowered by the host computer via the USB?

3

That was one of the first things I checked as I’ve definitely made that mistake in the past lol, so yes, it’s powered properly

4

Does the bed heat up when you set a temperature?

5

the bed heats up kind of slowly, but heats up nonetheless. The hotend also works as intended.

6

Are the stepper drivers maybe set to UART mode?

7

Hmmm, I’m not sure, whats the best way to check?

8

@Rthunt15, did you manage to fix the issue? I’ve encountered a somewhat similar problem, but mine stands from the fact that I have no clue what kind of stepper motors I have on a cheap Anet A8 clone from CTC.

There are some configurations that make them step, but only on some unusable rotation_distance values.

L.E. Mine seems to be a low-power issue, I’ve changed the power supply and things have improved, I’ll provide an update once I know things are stable.