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    Heater faults after 3.4.3 update

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    • Exerqtorundefined
      Exerqtor
      last edited by

      So i've suddenly started getting some weird fluctuations/jumps in hotend temp after updating to 3.4.3 (Duet 3 Mini 5+ & 1LC v1.2). Where after somewhere around 1,5 hours into a print it throws an error on my heater (Revo Mico). I've reset the fault, checked for loose/bad connections, turned on the heater again and started the print. Then after a couple min it happens again.

      So i started following the temp reading (on the PD), and it jumps around like crazy! Trying to print with some ABS @ 255c, and while heating after the fault it goes steady up to 225-235c then drops down too 192, and up to 205, and 230 within a secound or two. So either the "brand new" Revo has pooped the bed or it's something weird going on with RRF 3.43 since the issue started the first print after updating.

      Anyone else been having similar issues post 3.4.3?

      Rushmere3Dundefined gloomyandyundefined 2 Replies Last reply Reply Quote 0
      • Rushmere3Dundefined
        Rushmere3D @Exerqtor
        last edited by

        @exerqtor That could be a faulty heatcore, known issue with earlier batches.

        Follow my adventures in 3D Printing, laser cutting and electronics. https://linktr.ee/Rushmere3D

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        • gloomyandyundefined
          gloomyandy @Exerqtor
          last edited by

          @exerqtor What version did you upgrade from? If it is a fairly recent version, you could try going back to that version to see if you still have problems. From the description it sounds more like a bad connection or problem with the sensor though...

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