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fritz99

12.11 hot end temperature regulating problem

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Posted · 12.11 hot end temperature regulating problem

Hello !

I have the following problem :

In quickprint with ABS the hotend starts with a temperature of 260 degrees.

The printing starts.

Then the temperature during printing drops to around 230 degrees.

Then very very slowly the temperature comes back to 260 degrees.

Hardware is ok !!!!

I print with a hot bed.

This is a big problem for printing with ABS because the ABS gets not hot enough during that time and the printing is unuseable.

What is the problem ?

Fritz

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Posted · 12.11 hot end temperature regulating problem

Does your gcode contain any M104/M109 that drop the temp to 230?

Did you run the PiD auto tune routine (from printrun via M303 S240) and put the proper values into the build-me-marlin tool?

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Posted · 12.11 hot end temperature regulating problem
Does your gcode contain any M104/M109 that drop the temp to 230?

Did you run the PiD auto tune routine (from printrun via M303 S240) and put the proper values into the build-me-marlin tool?

How can I do this in software 12.11.

It has no more printrun.

Fritz

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Posted · 12.11 hot end temperature regulating problem

By any chance, is your fan cooling off the hotend?

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