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isacat

ERO3 when printing PETG

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Hi, I want to print PETG on my UM2, settings 70 on the heatbed and 245 on the nozzle.

Want to start the fan after the first layer on 100%

After some time (I guess 30minutes) the printer stop with this error messages on the display

IMG_20170221_000454.jpg

I think it's because the nozzle is cooling down to fast, but I am not sure.

Anybody who can help me out here?

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Is this a UM2?

UM2's have a 25w heater that can cause this problem. That's why the UM2+ came out with a stronger heater. 35w i think.

Seeing that you are printing with PET i would suggest that you lower your fans as PET layer adhesion is not very good and having the fans on 100% is not normally the best idea.

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