Sudden bad extruder stepper
My LGX is no longer working, it is on an skr octopus, with tmc 2290s. The stepper is just grinding, like when the wires are backwards. I've tried swapping in a new stepper but it is still grinding. Could it be the wiring? The motor itself? I've also tried a different stepper port on the octopus.
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I've had that a few times : check the connection on the board, should be that.
A drop of hot glue to be safe.
Check your wire loom for excessive tension when priming : that's usually the cause for it