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Re: Nema 17 Stepper Motor Noise

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I can't make out much from your recording, but kudos for trying it!

Is this something that was working and then failed, or are you trying to get it working for the first time?

When steppers don't turn there are usually just a few things to check.

1) motor current is much too high or low. If the motor is getting hot quickly, the current is probably too high. You values in the config look reasonable assuming typical NEMA-17 sized motors.
2) one motor coil is disconnected or wired backwards.
3) acceleration and/or speed is too high- your values look OK- check the speeds set in the slicer...
4) the motor driver is damaged- often occurs when the motor is connected/disconnected while the board is powered up. If one of the motor wires has an intermittent connection, it can destroy the motor driver.
5) there may be a mechanical problem (binding int he mechanism) preventing the motor from turning.

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