Igor's Blog

Gallery: Fixing a 3D printer extruder that stopped heating up

I was doing some 3D printing over the weekend and everything was going well until I noticed that the extruder on my Portabee wouldn't heat up any more. At first I thought it was a loose connection so I tried to adjust all the wiring - that didn't help. Since it was already dark and cold outside I decided to leave it. Early Monday morning I managed to get some time in before work to determine what happened. I had a sneaking suspicion that the resistor that's used as a heating element has given out, but what I found really surprised me.

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