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UM3 - Printcore 2 temperature issue (stacked to 100°C)

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Posted · UM3 - Printcore 2 temperature issue (stacked to 100°C)

Hi there,

I just received and setup my ultimaker 3 printer. Setup procedure was completed, printer is calibrated and I got material coming out from both printcores (ultimaker PLA for printcore 1 and ultimaker PVA for printcore 2). So everything seems right.

I installed the latest version of Cura (2.4.x) and of course I used its ultimaker 3 profile settings. Also, printer firmware is updated. I use a LAN connection.

Now, my sample object is ready to print (extruder 1 prints the object, extruder 2 prints the supports). Print core 1 is working fine, but the problem is that no material comes out from print core 2 because its temperature cannot exceed 100°C. However, it is set to 205°C in the profile settings. I try to force it to 205°C from the printer menu (extruder 2 temperature) but I can't. It doesn't want to exceed 125°C either (100° + or - 25°)...

So what's the problem here ? Printcore 2 temperature should be 205°C, why is it stacked to 100 ?

Thanks in advance.

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Posted · UM3 - Printcore 2 temperature issue (stacked to 100°C)

Hi and welcome,

The 100°c looks like the standby temperature when the core is not used.

Do you mean that it should be printing and that the printer hangs because it can't heat? Or is the temp staying at 100°c because the 2nd core is not used?

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Posted · UM3 - Printcore 2 temperature issue (stacked to 100°C)

Actually yes, it looks like print core 2 keeps its standby temperature although it needs to print. I noticed that print core 1 immediately reaches 205°C but print core 2 is stacked to 100°.

Did I forget to do something ? It is a known problem ?

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Posted · UM3 - Printcore 2 temperature issue (stacked to 100°C)

Well, this is odd... I just started the printing again after doing a complete reset of the printer, and it seems that it was enough to solve the problem. Print core 2 now reaches its print temperature so PVA material can come out the nozzle.

Good to know.

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Posted · UM3 - Printcore 2 temperature issue (stacked to 100°C)

Strange, but if it works then let's say it's a slicing error maybe? Or did the print head actually put the print core down and wait for it to heat?

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