Ender 3 extruder stepper motor not turning after 2 hours of printing.



  • Afternoon All
    I was hoping someone could shed some light on what could be the issue.

    when the printer has been going for about 2 hours the extruder stops extruding (turning)
    At first I thought it was the hotend clogging but after many nozzle replacements and changing to a microswiss the same thing is happening. The next step i did was upgrade the board to the silent one and same thing happening.
    I then measured the current on the driver and turned that down to 1.1 and still seems to be happening.
    I've checked the wiring and all is in check.
    I've changed the filament, same.
    I'm now lost at to what else it could be, only thing i can now think of is the extruder motor is maybe over heating?.
    The strange thing is I have a slightly older machine with exactly the same upgrades and it works fine.
    If anyone else has had this problem and resolved it, id be grateful if someone could shed some light on how they overcame this.
    Cheers
    Mark


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