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loosemclaren

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  1. Yep there you have it Im an idiot. 180c and printing fine. This all leads back to the fact that my pt100 on my nozzle under reads. So to stop burning filament Ive dropped my print temps. I couldn't understand why abs kept burning even at 200c printing brown colour. What is odd is that I changed my temps some time ago a month or two and all was fine. I have updated Cura recently and maybe that is the cause of the change in how the G code is written. Thanks V much for your suggestion.
  2. Hi yes I’m currently testing no filament. have tried all temps and doing a print. All is normal but no filament is extruded. ive tried commanding an extrude and noting happens. stepper is not powered. It’s free to move. ahh just read your message again I’m printing at 160c... and have been for a while. will increase the temp and try again.
  3. Hi yes I’m currently testing no filament. have tried all temps and doing a print. All is normal but no filament is extruded. ive tried commanding an extrude and noting happens. stepper is not powered. It’s free to move.
  4. Hi Thanks all sensible but.... i have 4 steppers none will drive from either extruder output from either of the 2 boards. also the extruder stepper drives fine from any of the other x y z outputs. All very odd. the only part ive not changed is the ulticontroler
  5. I have tried every firmware I can get my hands on and no difference
  6. Hi This will initially sound so obvious. Ive had my UO+ for several years and it works most of the time. I finished a print all fine. next print and the extruder stepper fails to move. So I change the extruder and stepper to my spare. no Joy I checked the extruder by plugging into another output x all worked fine. I then set the machine up as a dual extrusion and plugged into stepper driver 2 to check for a blown stepper driver. no joy. I then bought a new PCB assuming that the stepper driver is well and truly fried and has taken something else out on th
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