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First thing that needs to be done is someone with a working UM2 out there needs to explain what is the minimum you have to do to get the fan going. Does it have to get up to a certain temp? Does it turn on when the heater first turns on? Can you set nozzle to 50C and will that turn on the rear fan? Or does it come on even when head is cold/off?
Then I would probe on the board - those pink/blue wires and see if you get a voltage at the board. Then probe at the fan. Then - everywhere in between.
- George
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Here comes Cura 5.9 and in this stable release we have lots of material and printer profiles for UltiMaker printers, including the newly released Sketch Sprint. Additionally, scarf seams have been introduced alongside even more print settings and improvements. Check out the rest of this article to find out the details on all of that and more
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gr5 2,295
First thing that needs to be done is someone with a working UM2 out there needs to explain what is the minimum you have to do to get the fan going. Does it have to get up to a certain temp? Does it turn on when the heater first turns on? Can you set nozzle to 50C and will that turn on the rear fan? Or does it come on even when head is cold/off?
Then I would probe on the board - those pink/blue wires and see if you get a voltage at the board. Then probe at the fan. Then - everywhere in between.
- George
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