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ANTMINER SERVER POWER SUPPLY fan wiring

Discussion in 'Power Electronics' started by Leslie28, Jan 24, 2020.

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  1. Leslie28

    Leslie28

    1
    0
    Jan 24, 2020
    so i have changed my PSU fan to bigger PC fans for my ant miner's power supply, i had 2 fans wired up to it working good,
    then i had to move the power supply and all my weires ripped out of the plugin addapter that plugs into the MOBO of the power supply,

    this fan header has 4 wires RED BLACK BLUE YELLOW
    i have no idea what wire does what, but my power supply just gives me a yellow light anyway i try to congigure the wires up with the 2 fans,

    it only works with 2 fans connected also not sure why..

    if someone can understand where im coming from please help?

    or anyway t o bypass the blue and yellow wires so my power supply works?
     
  2. bertus

    bertus

    341
    110
    Nov 8, 2019
    Hello,

    The 4 wire fans will likely have the following signals GND, + 12 V , PWM and TACH:
    http://www.pavouk.org/hw/fan/en_fan4wire.html
    It can be that the powersupply checks the TACH signal on both fans.
    Possibly when one of the TACH signals is missing, the powersupply goes into protection and stops working.

    Bertus
     
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