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  1. 14-12-2019 #6
    Doddy's Avatar
    Lives in Preston, United Kingdom.
    Doddy
    Last Activity: 5 Days Ago Has been a member for 9-10 years. Has a total post count of 1,364. Received thanks 188 times, giving thanks to others 66 times. Referred 1 members to the community.
    EN = Enable, ironically if you drive this input you disable the drive. Normally left unconnected.

    That driver board looks like a generic stepper driver that's not been cased. You can replace with a generic stepper driver of similar spec. Use the A-axis driver for the Z for now but you might want to change the current drive (dip switches) to the same as the old Z driver.

    Sometimes Electronics fail, google bathtub curve. Especially cheap Chinese.
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