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Help!!! New build..


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Posted · Help!!! New build..


I have just completed the build of my Ultimaker Original with dual extrusion... Whist awaiting the missing Bowden tube guide, I am trying to verify the machine via USB to Cura V13.12

I have updated Marlin ok (I think).. the next step to perform basic checks in Cura is not going well... Basically, the good old 'max temp' comes up, with error code1..

I have tried to cut and paste the error log details.. got them into word, with more detail, but will not paste here...

Any suggestions please? seeing a lot of different views and directions.. Thanks ..


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    Posted · Help!!! New build..

    The head has amplifiers for the thermocouples. Measure the voltage at the top of the head. The voltage should be equal to the temp such that

    5V = 500C


    0.200V = 20C (room temp)

    If the voltages are around 200mv at the top of the print head then it's likely the wiring from there - usually the wiring right there above the print head as it gets the most stress when the head moves around.


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    Posted · Help!!! New build..

    Thanks all so much for your input..

    I decided the green screw blocks were always potentially going to be a source of problem, so I have removed them and substituted pcb solder pins..

    Getting exactly the same... measuring the amp output v, it is clear that the second extruder head is causing a problem. I have simply unplugged this from the main board.

    Bingo.. I have a new friend...

    I am sure of connections, etc. Is it worthwhile reversing the red and yellow leads on this second probe?. Apart from that, I guess substitution would prove if the second probe is duff... hopefully there will be some brighter ideas out there..

    Well done, and thank you all.


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