|
You can run into trouble if connecting/disconnecting the motor from the driver while powered up. But all that you can do with your unit is plug in power and USB. So this sounds weird to me. You could just get a 100uF/50V electrolytic cap locally and try and see if that does the job.
Other than that, I'd be worried that the motor and/or the stepper driver might also be fried. To check the stepper, unplug it (with no power on) and meaure across red-blue then green-black leads. Should be a few ohms, if not then its blown.
If its the nano or the driver (it'll be a FYSTEC something or other) then looks like you are out of luck as they appear to be soldered directly to the board and hard to replace.
|