Help connecting cooling fan…

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  • June 5, 2014 at 3:16 pm #6076
    Lchampag
    Member

    Ok I know this is probably a stupid question but I can’t get my fan to work. It is a 12v pc fan and when I connect it it does nothing. Is there a command for turning the fan on or is it supposed to come on automatically when the board does?

    Should I be connecting it to the pins closest to the edge or the other ones?

    June 5, 2014 at 3:31 pm #6077
    Lchampag
    Member

    Tinyg version8 build 412.01

    June 5, 2014 at 4:14 pm #6078
    mcgyvr
    Member

    see diagram/comments on right side about fan. (bet you just don’t have the jumper in place)
    Always a good idea to probe the pins with a multimeter to ensure you have the proper voltage.
    https://github.com/synthetos/TinyG/wiki/1.01-TinyG-Start
    You put the jumper across the middle pin and the 12V pin.

    June 6, 2014 at 1:51 am #6079
    Lchampag
    Member

    1 2 3
    pwr + _ 4 5 6 (fan pins)

    I get 12 volts when connecting 1 & 3 and 3 & 6. And 24 volts when connecting 1 &6. Nothing on the middle pins? I’m going to go with 1&3 I guess that is alright… Thanks again…

    June 6, 2014 at 2:53 am #6080
    Lchampag
    Member

    That was supposed to look like the board, showing the power input to the left. the 4 5 6 are the pins closest to the edge 123 behind it.

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