Extruder not working

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lucamu88
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Joined: Tue May 21, 2019 1:58 am

Extruder not working

Post by lucamu88 » Tue May 21, 2019 2:03 am

Hello everyone, I have a problem,

today after the thousandth print my extruder stopped working suddenly. I tried to invert both the drivers and the cables on the other axes ... they all work except the extruder channel.

I also found some guides to invert the pins of the extruder 0 with extruder 1 but nothing ... it didn't work. then I thought it was something short-circuited on the card.

I found the scheme and I checked the connections with the MCU but again without success .... someone knows me can you tell if there is any particular integrated for the extruder to check? to me there doesn't seem to be anything smoked.

Thanks in advance

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William
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Re: Extruder not working

Post by William » Tue May 21, 2019 10:04 am

Hi, you can check that the driver board voltage (0.8-1.2v) may not have enough current to cause the extruder to not work properly. You can also refer to this:https://github.com/Geeetech3D/Prusa_I3_ ... evA%2B.pdf
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lucamu88
Posts: 2
Joined: Tue May 21, 2019 1:58 am

Re: Extruder not working

Post by lucamu88 » Tue May 21, 2019 4:45 pm

William wrote:
Tue May 21, 2019 10:04 am
Hi, you can check that the driver board voltage (0.8-1.2v) may not have enough current to cause the extruder to not work properly. You can also refer to this:https://github.com/Geeetech3D/Prusa_I3_ ... evA%2B.pdf
thanks for your indication ... unfortunately I have already tried these voltage values ​​and they are correct .... it seems that only the extrusion does not work .... if I change the motor wire with example X ... il Extruder motor works
I checked with the scheme and the resistors are ok .. capacitor is ok ... the connections have no short circuits ... could it be an atmega problem?

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_kaktus_
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Re: Extruder not working

Post by _kaktus_ » Sat Jun 01, 2019 9:59 pm

Hello.
:mrgreen:

You wrote that the extruder stopped working.

Did you try to replace the stepstick module :?:
If possible, you can also connect the extruder motor to a different location for a test, e.g. in place of the motor of a different axis.
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