1 Topic by mm2tts

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Topic: Max Temp Reached

I've exchanged the hotend on our SD2 with a J-head and the required temperatures are higher than allowed by the firmware. I get the following message when trying to reach 215 for my ABS test runs.

"Max Temp Reached, shutting down the extruder"

I've auto tuned the PID for the new head and on my runs at 210, while it's running it stays spot on within .4 degrees, but on it's initial run up after hitting the "Run Job" button, the temp will exceed the called for temp by at least 5 degrees in either direction before it settles into the set temp. When I'm running this test at 215, the run up is going going close to 220 and the Max Temp is reached. How do I set this max temp? I see no setting in the EPROM panel of Repetier.

2 Reply by elmoret

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Re: Max Temp Reached

It's in the firmware, you'll need to change the source, recompile, and flash.

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3 Reply by mm2tts

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Re: Max Temp Reached

And How do I do that?, Not a programmer.

4 Reply by IanJohnson

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Re: Max Temp Reached

Follow the directions at the Solidoodle site for updating the firmware.   Before you upload to the board, go to the configuration.h tab and look for

#define HEATER_0_MAXTEMP 215

and change it to 240.  It's not far from the top.

5 Reply by mm2tts

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Re: Max Temp Reached

Thanks Ian

Can I open the firmware that's already on the board? I've got the update that give the ability to calibrate for z-banding and I don't want to lose that ability.

6 Reply by IanJohnson

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Re: Max Temp Reached

Just change that one and re upload it.

7 Reply by Staffordknot

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Re: Max Temp Reached

I need to do the same... I don't suppose it can be done through repetier host can it? Has anyone a tutorial on this?

Cheers

8 Reply by DePartedPrinter

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Re: Max Temp Reached

Staffordknot wrote:

I need to do the same... I don't suppose it can be done through repetier host can it? Has anyone a tutorial on this?

Cheers


Here is an opportunity to write one...

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9 Reply by mm2tts

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Re: Max Temp Reached

IanJohnson wrote:

Just change that one and re upload it.

Hi Ian,

I'm trying to use the same steps I used for adding the Z-Banding software fix to update the firmware and have the Auduino software loaded and the Sanguino hardware folder in the correct folder per the wikis' instruction page, but I see no  ATMega644P listed under hardware. Do I just pick Sanguino? and if so, why is the wiki not saying this? (not that your in control of it, but just that I trust your answers more than anyones).

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10 Reply by IanJohnson

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Re: Max Temp Reached

It's just Sanguino, since 644P is the default for the board.  If you upgrade the chip, then you have to select a different one for the chip.

11 Reply by mm2tts (edited by mm2tts 2013-05-29 02:23:03)

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Re: Max Temp Reached

IanJohnson wrote:

It's just Sanguino, since 644P is the default for the board.  If you upgrade the chip, then you have to select a different one for the chip.

Thanks Ian.

All set now and printing again at higher temps.

12 Reply by nickc

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Re: Max Temp Reached

So I'm doing this right now and when i hit the reset button and then hit upload it keeps saying error compiling