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  1. 01-02-2017 #16
    john swift's Avatar
    Lives in merseyside, United Kingdom.
    john swift
    Last Activity: 18-01-2021 Has been a member for 9-10 years. Has a total post count of 257. Received thanks 53 times, giving thanks to others 0 times.
    if the replacement TA8435HQ was not a fake / factory reject

    then it could be an intermittent break in the motor cables or connectors

    damage to the current sense resistors and the PCB tracks
    if the reference voltage to the IC is adjustable
    the preset potentiometer may of become intermittent

    plan B could be to unplug the stepper IC and connect a single axis stepper driver board to replace the faulty axis drive

    a TBH6064 board will be a better choice than the infamous TB6560

    John

    PS
    http://sound.whsites.net/fake/counterfeit-p1.htmS
    Last edited by john swift; 01-02-2017 at 09:52 PM. Reason: add PS
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