Downloaded and updated the firmware on my cupcake, but I'm really curious as to what it does. Does anyone know a website where I can view a changelog of the firmwares?
> Downloaded and updated the firmware on my cupcake, but I'm really > curious as to what it does. Does anyone know a website where I can > view a changelog of the firmwares?
I loaded this up last night and had some issues before my extruder controller board died. I don't believe the firmware did that, since i've been having issues for some time now, but I was not able to get the heater to get up to temp.. the PWM seemed to level off way too soon.. i.e. I had the temp set to 240, and it would only get to 170. Other than that, it seemed to work in concert with the new mobo firmware well, though I couldn't really test it as my extruder controller borked shortly after.
On Apr 13, 11:39 pm, Lyndondr <lyndo...@gmail.com> wrote:
> On Apr 13, 7:26 pm, Jarek <supersonik...@gmail.com> wrote:
> > Downloaded and updated the firmware on my cupcake, but I'm really > > curious as to what it does. Does anyone know a website where I can > > view a changelog of the firmwares?
What version firmware were you using and what are you ate know. When you say your controller "Borked", you may have to get a little more technical or talk down to me what ever the case may be. If I were to guess your barrel is not heating, and that can be a few different things.
On Apr 14, 12:03 pm, Chorca <cho...@gmail.com> wrote:
> I loaded this up last night and had some issues before my extruder > controller board died. I don't believe the firmware did that, since > i've been having issues for some time now, but I was not able to get > the heater to get up to temp.. the PWM seemed to level off way too > soon.. i.e. I had the temp set to 240, and it would only get to 170. > Other than that, it seemed to work in concert with the new mobo > firmware well, though I couldn't really test it as my extruder > controller borked shortly after.
> On Apr 13, 11:39 pm, Lyndondr <lyndo...@gmail.com> wrote:
> > On Apr 13, 7:26 pm, Jarek <supersonik...@gmail.com> wrote:
> > > Downloaded and updated the firmware on my cupcake, but I'm really > > > curious as to what it does. Does anyone know a website where I can > > > view a changelog of the firmwares?
Been running a MakerBot for about two weeks here.. Been making parts for a mendel, and started having issues where the x/y would pause and the extruder would keep extruding, resulting in blobs that ruined the print. Tried everything listed in the makerbot FAQ including moving the machine, turning off fluorescent lights, twisting stepper wires, rewiring to keep stepper wires away from comm wires, new ethernet cable for connection to extruder, removed optostop cables, tried different ports, looked for solder issues, etc. Tried the newer firmware that was out, found that 2.0 a1 caused axis inversion issues. Moved back to 1.6 on the motherboard, and 2.0a1 on the extruder, which seemed to mostly fix the problem. It would still pause occasionally, but only for a second, then pick back up.
A few days ago the extruder started having issues during a print, the filament was buckling in the extruder even though the nozzle was to temp. Decided to rebuild the nozzle. Tore it apart, cleaned everything perfectly, redid threads with a tap/die, installed new MakerGear HeatCore, affixed thermistor to nozzle, installed new PEEK barrier, etc. Restarted printing, worked fine. Installed a .01uf cap between the motor terminals to try and lower EMI output from the motor.
Yesterday I found the new firmware was at release 0 now, Tried it, axis inversion problems were fixed, but extruder now would not get up to temp. Was getting up to 170 when set to 240. Went back to old 1.8 firmware, temps resumed normal operation. Tried to print, same filament buckling issue happened again. Rebuilt extruder a second time, cleaning everything. Reinstalled, and it was still having this issue. After about 5 mins of testing after the second rebuild, I noticed the extruder had turned the drive motor off, and the temps were falling. I reset the board, rewrote the firmware, and tried it again. This time, the motor only came on for about 5 seconds before going off, and it seemed to reset, the way the temps began falling. Tried it a third time, and it just blipped on for about 1/2sec before shutting down again. Lost comm when this happened as well.
Every time though, it's able to get right up to temp with no problems. Plastic oozes out of the tip, but i can't get the plastic through. Extruder controller will not turn on the motor any longer. I don't know what the issue might be with the controller.. not sure if an H bridge is burned out, we have a bad solder joint or something else is wrong. I'm going to be trying my extruder controller (techzone remix) that I got for my mendel to see if that works properly. Worst case i plan to mount up my Wade's extruder with the heatcore and run that with the mendel extruder controller running makerbot software.
Any ideas are appreciated. I doubt it's the firmware as when it failed the last time, it was back on 1.8 - heated platform support.
On Apr 14, 3:01 pm, Lyndondr <lyndo...@gmail.com> wrote:
> What version firmware were you using and what are you ate know. When > you say your controller "Borked", you may have to get a little more > technical or talk down to me what ever the case may be. If I were to > guess your barrel is not heating, and that can be a few different > things.
> On Apr 14, 12:03 pm, Chorca <cho...@gmail.com> wrote:
> > I loaded this up last night and had some issues before my extruder > > controller board died. I don't believe the firmware did that, since > > i've been having issues for some time now, but I was not able to get > > the heater to get up to temp.. the PWM seemed to level off way too > > soon.. i.e. I had the temp set to 240, and it would only get to 170. > > Other than that, it seemed to work in concert with the new mobo > > firmware well, though I couldn't really test it as my extruder > > controller borked shortly after.
> > On Apr 13, 11:39 pm, Lyndondr <lyndo...@gmail.com> wrote:
> > > > Downloaded and updated the firmware on my cupcake, but I'm really > > > > curious as to what it does. Does anyone know a website where I can > > > > view a changelog of the firmwares?
Where you printing from SD or USB? Have you tried to run the motor from another voltage source or maybe the fan port just to rule out the motor? Did the problem get worse after you added the capacitor, it seems that way to me? Below are some links for motor suppression. If your h bridge is bad there is a second one on the board you could trans plant or find out if the firmware can run that one instead. Did you try your other parts?
> Been running a MakerBot for about two weeks here.. Been making parts > for a mendel, and started having issues where the x/y would pause and > the extruder would keep extruding, resulting in blobs that ruined the > print. Tried everything listed in the makerbot FAQ including moving > the machine, turning off fluorescent lights, twisting stepper wires, > rewiring to keep stepper wires away from comm wires, new ethernet > cable for connection to extruder, removed optostop cables, tried > different ports, looked for solder issues, etc. Tried the newer > firmware that was out, found that 2.0 a1 caused axis inversion issues. > Moved back to 1.6 on the motherboard, and 2.0a1 on the extruder, which > seemed to mostly fix the problem. It would still pause occasionally, > but only for a second, then pick back up.
> A few days ago the extruder started having issues during a print, the > filament was buckling in the extruder even though the nozzle was to > temp. Decided to rebuild the nozzle. Tore it apart, cleaned everything > perfectly, redid threads with a tap/die, installed new MakerGear > HeatCore, affixed thermistor to nozzle, installed new PEEK barrier, > etc. Restarted printing, worked fine. Installed a .01uf cap between > the motor terminals to try and lower EMI output from the motor.
> Yesterday I found the new firmware was at release 0 now, Tried it, > axis inversion problems were fixed, but extruder now would not get up > to temp. Was getting up to 170 when set to 240. Went back to old 1.8 > firmware, temps resumed normal operation. Tried to print, same > filament buckling issue happened again. Rebuilt extruder a second > time, cleaning everything. Reinstalled, and it was still having this > issue. After about 5 mins of testing after the second rebuild, I > noticed the extruder had turned the drive motor off, and the temps > were falling. I reset the board, rewrote the firmware, and tried it > again. This time, the motor only came on for about 5 seconds before > going off, and it seemed to reset, the way the temps began falling. > Tried it a third time, and it just blipped on for about 1/2sec before > shutting down again. Lost comm when this happened as well.
> Every time though, it's able to get right up to temp with no problems. > Plastic oozes out of the tip, but i can't get the plastic through. > Extruder controller will not turn on the motor any longer. I don't > know what the issue might be with the controller.. not sure if an H > bridge is burned out, we have a bad solder joint or something else is > wrong. I'm going to be trying my extruder controller (techzone remix) > that I got for my mendel to see if that works properly. Worst case i > plan to mount up my Wade's extruder with the heatcore and run that > with the mendel extruder controller running makerbot software.
> Any ideas are appreciated. I doubt it's the firmware as when it failed > the last time, it was back on 1.8 - heated platform support.
> On Apr 14, 3:01 pm, Lyndondr <lyndo...@gmail.com> wrote:
> > What version firmware were you using and what are you ate know. When > > you say your controller "Borked", you may have to get a little more > > technical or talk down to me what ever the case may be. If I were to > > guess your barrel is not heating, and that can be a few different > > things.
> > On Apr 14, 12:03 pm, Chorca <cho...@gmail.com> wrote:
> > > I loaded this up last night and had some issues before my extruder > > > controller board died. I don't believe the firmware did that, since > > > i've been having issues for some time now, but I was not able to get > > > the heater to get up to temp.. the PWM seemed to level off way too > > > soon.. i.e. I had the temp set to 240, and it would only get to 170. > > > Other than that, it seemed to work in concert with the new mobo > > > firmware well, though I couldn't really test it as my extruder > > > controller borked shortly after.
> > > > > Downloaded and updated the firmware on my cupcake, but I'm really > > > > > curious as to what it does. Does anyone know a website where I can > > > > > view a changelog of the firmwares?
Another thing I keep seeing with these pause and hang issues that on one tries is the R1 - 180 ohm resistor the wiki says
"Optional Component: This is the termination resistor for the RS485 comms. The motherboard is located on one end of the bus, and only one extruder at the end of the bus should also have a termination resistor. You can remove it or omit it if you have multiple extruders and at least one has this resistor in place. This component can be placed in any orientation. "
The key line here is "at least one has this resistor in place". The link below seems to confirm my theory. If you have ever worked with the old coax network cables you had to have a resistor at each end for it to work I think this is a similar situation. If I ever have this issue this will be the first thing I try. One thing that does puzzle me is why is this problem not more wide spread.
> Been running a MakerBot for about two weeks here.. Been making parts > for a mendel, and started having issues where the x/y would pause and > the extruder would keep extruding, resulting in blobs that ruined the > print. Tried everything listed in the makerbot FAQ including moving > the machine, turning off fluorescent lights, twisting stepper wires, > rewiring to keep stepper wires away from comm wires, new ethernet > cable for connection to extruder, removed optostop cables, tried > different ports, looked for solder issues, etc. Tried the newer > firmware that was out, found that 2.0 a1 caused axis inversion issues. > Moved back to 1.6 on the motherboard, and 2.0a1 on the extruder, which > seemed to mostly fix the problem. It would still pause occasionally, > but only for a second, then pick back up.
> A few days ago the extruder started having issues during a print, the > filament was buckling in the extruder even though the nozzle was to > temp. Decided to rebuild the nozzle. Tore it apart, cleaned everything > perfectly, redid threads with a tap/die, installed new MakerGear > HeatCore, affixed thermistor to nozzle, installed new PEEK barrier, > etc. Restarted printing, worked fine. Installed a .01uf cap between > the motor terminals to try and lower EMI output from the motor.
> Yesterday I found the new firmware was at release 0 now, Tried it, > axis inversion problems were fixed, but extruder now would not get up > to temp. Was getting up to 170 when set to 240. Went back to old 1.8 > firmware, temps resumed normal operation. Tried to print, same > filament buckling issue happened again. Rebuilt extruder a second > time, cleaning everything. Reinstalled, and it was still having this > issue. After about 5 mins of testing after the second rebuild, I > noticed the extruder had turned the drive motor off, and the temps > were falling. I reset the board, rewrote the firmware, and tried it > again. This time, the motor only came on for about 5 seconds before > going off, and it seemed to reset, the way the temps began falling. > Tried it a third time, and it just blipped on for about 1/2sec before > shutting down again. Lost comm when this happened as well.
> Every time though, it's able to get right up to temp with no problems. > Plastic oozes out of the tip, but i can't get the plastic through. > Extruder controller will not turn on the motor any longer. I don't > know what the issue might be with the controller.. not sure if an H > bridge is burned out, we have a bad solder joint or something else is > wrong. I'm going to be trying my extruder controller (techzone remix) > that I got for my mendel to see if that works properly. Worst case i > plan to mount up my Wade's extruder with the heatcore and run that > with the mendel extruder controller running makerbot software.
> Any ideas are appreciated. I doubt it's the firmware as when it failed > the last time, it was back on 1.8 - heated platform support.
> On Apr 14, 3:01 pm, Lyndondr <lyndo...@gmail.com> wrote:
> > What version firmware were you using and what are you ate know. When > > you say your controller "Borked", you may have to get a little more > > technical or talk down to me what ever the case may be. If I were to > > guess your barrel is not heating, and that can be a few different > > things.
> > On Apr 14, 12:03 pm, Chorca <cho...@gmail.com> wrote:
> > > I loaded this up last night and had some issues before my extruder > > > controller board died. I don't believe the firmware did that, since > > > i've been having issues for some time now, but I was not able to get > > > the heater to get up to temp.. the PWM seemed to level off way too > > > soon.. i.e. I had the temp set to 240, and it would only get to 170. > > > Other than that, it seemed to work in concert with the new mobo > > > firmware well, though I couldn't really test it as my extruder > > > controller borked shortly after.
> > > > > Downloaded and updated the firmware on my cupcake, but I'm really > > > > > curious as to what it does. Does anyone know a website where I can > > > > > view a changelog of the firmwares?
I loaded the new firmware and also had issues getting up to the right
temperature. My extruder was set to 230 but only ever got to 175, and
my platform was set to 100 but only got heated up to 75. Rolling back
to the previous extruder firmware returns my Makerbot to working
order. Anyone have any idea why the new firmware has these issues?
On Apr 15, 3:02 pm, Lyndondr <lyndo...@gmail.com> wrote:
> Another thing I keep seeing with these pause and hang issues that on
> one tries is the R1 - 180 ohm resistor the wiki says
> "Optional Component: This is the termination resistor for the RS485
> comms. The motherboard is located on one end of the bus, and only one
> extruder at the end of the bus should also have a termination
> resistor. You can remove it or omit it if you have multiple extruders
> and at least one has this resistor in place. This component can be
> placed in any orientation. "
> The key line here is "at least one has this resistor in place". The
> link below seems to confirm my theory. If you have ever worked with
> the old coax network cables you had to have a resistor at each end for
> it to work I think this is a similar situation. If I ever have this
> issue this will be the first thing I try. One thing that does puzzle
> me is why is this problem not more wide spread.
> On Apr 14, 3:34 pm, Chorca <cho...@gmail.com> wrote:
> > Here's the full story:
> > Been running a MakerBot for about two weeks here.. Been making parts
> > for a mendel, and started having issues where the x/y would pause and
> > the extruder would keep extruding, resulting in blobs that ruined the
> > print. Tried everything listed in the makerbot FAQ including moving
> > the machine, turning off fluorescent lights, twisting stepper wires,
> > rewiring to keep stepper wires away from comm wires, new ethernet
> > cable for connection to extruder, removed optostop cables, tried
> > different ports, looked for solder issues, etc. Tried the newer
> > firmware that was out, found that 2.0 a1 caused axis inversion issues.
> > Moved back to 1.6 on the motherboard, and 2.0a1 on the extruder, which
> > seemed to mostly fix the problem. It would still pause occasionally,
> > but only for a second, then pick back up.
> > A few days ago the extruder started having issues during a print, the
> > filament was buckling in the extruder even though the nozzle was to
> > temp. Decided to rebuild the nozzle. Tore it apart, cleaned everything
> > perfectly, redid threads with a tap/die, installed new MakerGear
> > HeatCore, affixed thermistor to nozzle, installed new PEEK barrier,
> > etc. Restarted printing, worked fine. Installed a .01uf cap between
> > the motor terminals to try and lower EMI output from the motor.
> > Yesterday I found the new firmware was at release 0 now, Tried it,
> > axis inversion problems were fixed, but extruder now would not get up
> > to temp. Was getting up to 170 when set to 240. Went back to old 1.8
> > firmware, temps resumed normal operation. Tried to print, same
> > filament buckling issue happened again. Rebuilt extruder a second
> > time, cleaning everything. Reinstalled, and it was still having this
> > issue. After about 5 mins of testing after the second rebuild, I
> > noticed the extruder had turned the drive motor off, and the temps
> > were falling. I reset the board, rewrote the firmware, and tried it
> > again. This time, the motor only came on for about 5 seconds before
> > going off, and it seemed to reset, the way the temps began falling.
> > Tried it a third time, and it just blipped on for about 1/2sec before
> > shutting down again. Lost comm when this happened as well.
> > Every time though, it's able to get right up to temp with no problems.
> > Plastic oozes out of the tip, but i can't get the plastic through.
> > Extruder controller will not turn on the motor any longer. I don't
> > know what the issue might be with the controller.. not sure if an H
> > bridge is burned out, we have a bad solder joint or something else is
> > wrong. I'm going to be trying my extruder controller (techzone remix)
> > that I got for my mendel to see if that works properly. Worst case i
> > plan to mount up my Wade's extruder with the heatcore and run that
> > with the mendel extruder controller running makerbot software.
> > Any ideas are appreciated. I doubt it's the firmware as when it failed
> > the last time, it was back on 1.8 - heated platform support.
> > On Apr 14, 3:01 pm, Lyndondr <lyndo...@gmail.com> wrote:
> > > What version firmware were you using and what are you ate know. When
> > > you say your controller "Borked", you may have to get a little more
> > > technical or talk down to me what ever the case may be. If I were to
> > > guess your barrel is not heating, and that can be a few different
> > > things.
> > > > I loaded this up last night and had some issues before my extruder
> > > > controller board died. I don't believe the firmware did that, since
> > > > i've been having issues for some time now, but I was not able to get
> > > > the heater to get up to temp.. the PWM seemed to level off way too
> > > > soon.. i.e. I had the temp set to 240, and it would only get to 170.
> > > > Other than that, it seemed to work in concert with the new mobo
> > > > firmware well, though I couldn't really test it as my extruder
> > > > controller borked shortly after.
> > > > > > Downloaded and updated the firmware on my cupcake, but I'm really
> > > > > > curious as to what it does. Does anyone know a website where I can
> > > > > > view a changelog of the firmwares?
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> I loaded the new firmware and also had issues getting up to the right
> temperature. My extruder was set to 230 but only ever got to 175, and
> my platform was set to 100 but only got heated up to 75. Rolling back
> to the previous extruder firmware returns my Makerbot to working
> order. Anyone have any idea why the new firmware has these issues?
> On Apr 15, 3:02 pm, Lyndondr <lyndo...@gmail.com> wrote:
> > Another thing I keep seeing with these pause and hang issues that on
> > one tries is the R1 - 180 ohm resistor the wiki says
> > "Optional Component: This is the termination resistor for the RS485
> > comms. The motherboard is located on one end of the bus, and only one
> > extruder at the end of the bus should also have a termination
> > resistor. You can remove it or omit it if you have multiple extruders
> > and at least one has this resistor in place. This component can be
> > placed in any orientation. "
> > The key line here is "at least one has this resistor in place". The
> > link below seems to confirm my theory. If you have ever worked with
> > the old coax network cables you had to have a resistor at each end for
> > it to work I think this is a similar situation. If I ever have this
> > issue this will be the first thing I try. One thing that does puzzle
> > me is why is this problem not more wide spread.
> > On Apr 14, 3:34 pm, Chorca <cho...@gmail.com> wrote:
> > > Here's the full story:
> > > Been running a MakerBot for about two weeks here.. Been making parts
> > > for a mendel, and started having issues where the x/y would pause and
> > > the extruder would keep extruding, resulting in blobs that ruined the
> > > print. Tried everything listed in the makerbot FAQ including moving
> > > the machine, turning off fluorescent lights, twisting stepper wires,
> > > rewiring to keep stepper wires away from comm wires, new ethernet
> > > cable for connection to extruder, removed optostop cables, tried
> > > different ports, looked for solder issues, etc. Tried the newer
> > > firmware that was out, found that 2.0 a1 caused axis inversion issues.
> > > Moved back to 1.6 on the motherboard, and 2.0a1 on the extruder, which
> > > seemed to mostly fix the problem. It would still pause occasionally,
> > > but only for a second, then pick back up.
> > > A few days ago the extruder started having issues during a print, the
> > > filament was buckling in the extruder even though the nozzle was to
> > > temp. Decided to rebuild the nozzle. Tore it apart, cleaned everything
> > > perfectly, redid threads with a tap/die, installed new MakerGear
> > > HeatCore, affixed thermistor to nozzle, installed new PEEK barrier,
> > > etc. Restarted printing, worked fine. Installed a .01uf cap between
> > > the motor terminals to try and lower EMI output from the motor.
> > > Yesterday I found the new firmware was at release 0 now, Tried it,
> > > axis inversion problems were fixed, but extruder now would not get up
> > > to temp. Was getting up to 170 when set to 240. Went back to old 1.8
> > > firmware, temps resumed normal operation. Tried to print, same
> > > filament buckling issue happened again. Rebuilt extruder a second
> > > time, cleaning everything. Reinstalled, and it was still having this
> > > issue. After about 5 mins of testing after the second rebuild, I
> > > noticed the extruder had turned the drive motor off, and the temps
> > > were falling. I reset the board, rewrote the firmware, and tried it
> > > again. This time, the motor only came on for about 5 seconds before
> > > going off, and it seemed to reset, the way the temps began falling.
> > > Tried it a third time, and it just blipped on for about 1/2sec before
> > > shutting down again. Lost comm when this happened as well.
> > > Every time though, it's able to get right up to temp with no problems.
> > > Plastic oozes out of the tip, but i can't get the plastic through.
> > > Extruder controller will not turn on the motor any longer. I don't
> > > know what the issue might be with the controller.. not sure if an H
> > > bridge is burned out, we have a bad solder joint or something else is
> > > wrong. I'm going to be trying my extruder controller (techzone remix)
> > > that I got for my mendel to see if that works properly. Worst case i
> > > plan to mount up my Wade's extruder with the heatcore and run that
> > > with the mendel extruder controller running makerbot software.
> > > Any ideas are appreciated. I doubt it's the firmware as when it failed
> > > the last time, it was back on 1.8 - heated platform support.
> > > > What version firmware were you using and what are you ate know. When
> > > > you say your controller "Borked", you may have to get a little more
> > > > technical or talk down to me what ever the case may be. If I were to
> > > > guess your barrel is not heating, and that can be a few different
> > > > things.
> > > > > I loaded this up last night and had some issues before my extruder
> > > > > controller board died. I don't believe the firmware did that, since
> > > > > i've been having issues for some time now, but I was not able to get
> > > > > the heater to get up to temp.. the PWM seemed to level off way too
> > > > > soon.. i.e. I had the temp set to 240, and it would only get to 170.
> > > > > Other than that, it seemed to work in concert with the new mobo
> > > > > firmware well, though I couldn't really test it as my extruder
> > > > > controller borked shortly after.
> > > > > > > Downloaded and updated the firmware on my cupcake, but I'm really
> > > > > > > curious as to what it does. Does anyone know a website where I can
> > > > > > > view a changelog of the firmwares?
> --
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It seems like with the newer version that Phooky fixed, it is heating
properly now. However, the extruder is still turning off. I took a
second extruder controller from my RepRap kit and hooked it in, tested
and it does the same thing. The motor runs when hooked directly to
12v, however, as it bogs down it pulls up to 900mA.. I'm not sure if
that's too much for the supply to sustain, but the other brand new
board i have does the same thing, it resets. I also tried a different
ATX power supply, but I was having the same issue. We ordered a new
gearmotor in case this one's having problems, but for now i'm trying
to convert it to a Wade's geared extruder just so we can get the rest
of the Mendel parts printed. Having issues there as well getting the
firmware to work, but that's a different thread..
And yes, to answer your previous question, i had tried both SD and non-
SD card prints.. no difference in the amount of pauses. The resistor
is an interesting idea though.. I didn't assemble the machine so
that's a possibility, since the optos are disconnected and the
resistor does not exist on the controller. I'll add one in and see if
that helps us out after I get this other extruder going. Thanks for
the ideas!
On Apr 15, 10:27 pm, Lyndondr <lyndo...@gmail.com> wrote:
> On Apr 15, 8:59 pm, Nate True <natet...@gmail.com> wrote:
> > I loaded the new firmware and also had issues getting up to the right
> > temperature. My extruder was set to 230 but only ever got to 175, and
> > my platform was set to 100 but only got heated up to 75. Rolling back
> > to the previous extruder firmware returns my Makerbot to working
> > order. Anyone have any idea why the new firmware has these issues?
> > On Apr 15, 3:02 pm, Lyndondr <lyndo...@gmail.com> wrote:
> > > Another thing I keep seeing with these pause and hang issues that on
> > > one tries is the R1 - 180 ohm resistor the wiki says
> > > "Optional Component: This is the termination resistor for the RS485
> > > comms. The motherboard is located on one end of the bus, and only one
> > > extruder at the end of the bus should also have a termination
> > > resistor. You can remove it or omit it if you have multiple extruders
> > > and at least one has this resistor in place. This component can be
> > > placed in any orientation. "
> > > The key line here is "at least one has this resistor in place". The
> > > link below seems to confirm my theory. If you have ever worked with
> > > the old coax network cables you had to have a resistor at each end for
> > > it to work I think this is a similar situation. If I ever have this
> > > issue this will be the first thing I try. One thing that does puzzle
> > > me is why is this problem not more wide spread.
> > > > Been running a MakerBot for about two weeks here.. Been making parts
> > > > for a mendel, and started having issues where the x/y would pause and
> > > > the extruder would keep extruding, resulting in blobs that ruined the
> > > > print. Tried everything listed in the makerbot FAQ including moving
> > > > the machine, turning off fluorescent lights, twisting stepper wires,
> > > > rewiring to keep stepper wires away from comm wires, new ethernet
> > > > cable for connection to extruder, removed optostop cables, tried
> > > > different ports, looked for solder issues, etc. Tried the newer
> > > > firmware that was out, found that 2.0 a1 caused axis inversion issues.
> > > > Moved back to 1.6 on the motherboard, and 2.0a1 on the extruder, which
> > > > seemed to mostly fix the problem. It would still pause occasionally,
> > > > but only for a second, then pick back up.
> > > > A few days ago the extruder started having issues during a print, the
> > > > filament was buckling in the extruder even though the nozzle was to
> > > > temp. Decided to rebuild the nozzle. Tore it apart, cleaned everything
> > > > perfectly, redid threads with a tap/die, installed new MakerGear
> > > > HeatCore, affixed thermistor to nozzle, installed new PEEK barrier,
> > > > etc. Restarted printing, worked fine. Installed a .01uf cap between
> > > > the motor terminals to try and lower EMI output from the motor.
> > > > Yesterday I found the new firmware was at release 0 now, Tried it,
> > > > axis inversion problems were fixed, but extruder now would not get up
> > > > to temp. Was getting up to 170 when set to 240. Went back to old 1.8
> > > > firmware, temps resumed normal operation. Tried to print, same
> > > > filament buckling issue happened again. Rebuilt extruder a second
> > > > time, cleaning everything. Reinstalled, and it was still having this
> > > > issue. After about 5 mins of testing after the second rebuild, I
> > > > noticed the extruder had turned the drive motor off, and the temps
> > > > were falling. I reset the board, rewrote the firmware, and tried it
> > > > again. This time, the motor only came on for about 5 seconds before
> > > > going off, and it seemed to reset, the way the temps began falling.
> > > > Tried it a third time, and it just blipped on for about 1/2sec before
> > > > shutting down again. Lost comm when this happened as well.
> > > > Every time though, it's able to get right up to temp with no problems.
> > > > Plastic oozes out of the tip, but i can't get the plastic through.
> > > > Extruder controller will not turn on the motor any longer. I don't
> > > > know what the issue might be with the controller.. not sure if an H
> > > > bridge is burned out, we have a bad solder joint or something else is
> > > > wrong. I'm going to be trying my extruder controller (techzone remix)
> > > > that I got for my mendel to see if that works properly. Worst case i
> > > > plan to mount up my Wade's extruder with the heatcore and run that
> > > > with the mendel extruder controller running makerbot software.
> > > > Any ideas are appreciated. I doubt it's the firmware as when it failed
> > > > the last time, it was back on 1.8 - heated platform support.
> > > > > What version firmware were you using and what are you ate know. When
> > > > > you say your controller "Borked", you may have to get a little more
> > > > > technical or talk down to me what ever the case may be. If I were to
> > > > > guess your barrel is not heating, and that can be a few different
> > > > > things.
> > > > > > I loaded this up last night and had some issues before my extruder
> > > > > > controller board died. I don't believe the firmware did that, since
> > > > > > i've been having issues for some time now, but I was not able to get
> > > > > > the heater to get up to temp.. the PWM seemed to level off way too
> > > > > > soon.. i.e. I had the temp set to 240, and it would only get to 170.
> > > > > > Other than that, it seemed to work in concert with the new mobo
> > > > > > firmware well, though I couldn't really test it as my extruder
> > > > > > controller borked shortly after.
> > > > > > > > Downloaded and updated the firmware on my cupcake, but I'm really
> > > > > > > > curious as to what it does. Does anyone know a website where I can
> > > > > > > > view a changelog of the firmwares?
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