SOLVED Heating not working...

Discussion in 'Build Help' started by gearmesh, Jun 12, 2016.

  1. gearmesh

    gearmesh Well-Known Member

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    I have the same issue.
    Was the fix:
    1. Swap the connections from PT100 #1 to PT100 #2
    or
    2. To unplug the 3 wire connector to each PT100 and rotate it 180 degrees and re-insert into the same PT100s?
     
  2. Sarah Nicholson

    Sarah Nicholson Well-Known Member

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    It's no. 1. The build guide doesn't make it particularly clear for the dual that the PT100 nearest the back panel is for HE0 and the one nearer the front panel is for HE1.
     
  3. gearmesh

    gearmesh Well-Known Member

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    Thanks Sarah!...I am so close ! ! ! !
     
  4. gearmesh

    gearmesh Well-Known Member

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    I swapped them but I have the same error: Heating Failed
     
  5. Alex9779

    Alex9779 Moderator
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    If you set the temp for extruder 1 on the LCD which one gets hot, left or right?
     
  6. gearmesh

    gearmesh Well-Known Member

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    Neither. I put my fingers on both and neither change temp.
     
  7. Alex9779

    Alex9779 Moderator
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    If you switch on the heater does there light up n LED near the HE0 or HE1 connector on the RUMBA?
    If you set extruder 1 to temp can you measure a voltage on the connectors HE0 or HE1?
     
  8. gearmesh

    gearmesh Well-Known Member

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    The LEDS do light when I set the heatwards up in the console.
    For the voltage test. Do I disconnect the connectors at HE0 and then set temp and then check voltage?
     
  9. Alex9779

    Alex9779 Moderator
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    No you can just use the screws of the connectors from above where you normally tighten them with a screw driver...
     
  10. gearmesh

    gearmesh Well-Known Member

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    OK.
    I set the temp to 50ish on Nozzle 1 and measured 24 volts on He0. Didn't test He1 but I will.
     
  11. Alex9779

    Alex9779 Moderator
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    Nah its ok... and neither of them gets hot?

    Can you measure the resistance between on the same connectors you measured the voltage?
     
  12. gearmesh

    gearmesh Well-Known Member

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    I set the temp to 50ish on Nozzle 2 and measured 24 volts on He1.
     
  13. gearmesh

    gearmesh Well-Known Member

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    Hmmm? When's powered on?
     
  14. gearmesh

    gearmesh Well-Known Member

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    You are a genius! LOL.
    Yahoo. It works. This error was my fault, I had put micro-connectors between near the heads on those cables to make the heads removable and apparently I did not connected them together very tight in both cases!. Argg.

    Now it works.
    Head one, the left head, heats up but on the display it show the temp for right head as rising. Do I swap the two "two wire" connector on the one PT100 to the other PT100 board, and via versa?
     
  15. Alex9779

    Alex9779 Moderator
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    Yep do exactly that...
     
  16. Alex9779

    Alex9779 Moderator
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    No I am not, I just do support for several years now, the art of support is to ask the right questions...
     
    mike01hu and Tom De Bie like this.

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