hotbed/extruder is not heated up(GT2560/GTM32/sanguinololu)

Prism blue
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Re: hotbed/extruder is not heated up(GT2560/GTM32/sanguinololu)

Post by Prism blue » Tue Feb 19, 2019 2:39 am

If u could give a little more info about this thermistor is located I would appreciate it thank u for your help

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William
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Re: hotbed/extruder is not heated up(GT2560/GTM32/sanguinololu)

Post by William » Tue Feb 19, 2019 9:13 am

You can check the info on firmware.
100K,NTC thermistor.
-Keep your mind and try to test it. :)
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ChrisH90
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Re: hotbed/extruder is not heated up(GT2560/GTM32/sanguinololu)

Post by ChrisH90 » Wed Apr 10, 2019 12:06 pm

Hi, I have a A30 and I think I have problems with the heating element in the nozzle. Can anybody please tell me:
1) Restistance of the heating element
or/and
2) Power of heating element
In the Internet I found heating elements with 24V/40W and I don`t know if they are right.

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William
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Re: hotbed/extruder is not heated up(GT2560/GTM32/sanguinololu)

Post by William » Thu Apr 11, 2019 10:11 am

Hi,ChrisH90
1.The resistance of the heatbar is 12~16Ω
2.The power of the heatbar is 35~45W
-Keep your mind and try to test it. :)
-Everything will be fun!-Support all Getech printer.
-You can ask me the questions and I will kindly reply.
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ChrisH90
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Re: hotbed/extruder is not heated up(GT2560/GTM32/sanguinololu)

Post by ChrisH90 » Sat Apr 13, 2019 3:38 pm

Hi, William,
yeah, that`s it. Okay, I founded broken heating element and changed it. Perfect, thank you so much!!! :) :)

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William
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Re: hotbed/extruder is not heated up(GT2560/GTM32/sanguinololu)

Post by William » Sat Apr 13, 2019 10:50 pm

That's a good news that your printer works ;) again.
-Keep your mind and try to test it. :)
-Everything will be fun!-Support all Getech printer.
-You can ask me the questions and I will kindly reply.
-Respect others is the best way you can get help!

martin92
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Joined: Sun Sep 27, 2020 5:46 pm

Re: hotbed/extruder is not heated up(GT2560/GTM32/sanguinololu)

Post by martin92 » Sun Sep 27, 2020 6:24 pm

Hey printer-folks,

I've got a similar problem that the heater was not heating up despite the fact that MOSFET, fuse, LEDs etc. all were OK. There were no 12V on the pins of the hot-end heater while the bed was working fine.

When unmounting the board (GT2560) I discovered this:
heater-pin.jpg
heater-pin.jpg (117.52 KiB) Viewed 9430 times
Re-soldered the PIN and got 12V again. First test-print prints since 5min. without problems.

Now, my question is wheter this was just due to bad soldering or is it maybe a symptom of a bigger problem in the setup? Maybe a short-circuit in the heating-element (actually I have changed it some 20 printing hours back)?

Cheers,
Martin

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