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Thread: Strange Inverter fault

  1. #1
    Join Date
    Mar 2005

    Strange Inverter fault

    Hi guys,

    I had a problem (that I described in another thread before) that my alternator is not giving enough power for my PC.
    I have: DC - 175W Inverter - ATX power supply

    Trying to solve this I replaced my ATX to a smaller one (150W) hoping that it might consume less power and got another weired thing. When everything is connected and i start the ignition the inverter gives me red "Fault" light and doesn't start at all. If I disconnect the ATX, leaving inverter connected it immediately changes the light to green, then I connect the ATX back and everything starts ok.
    I tried it a few times. If I turn the ignition off, then immediately back on - it starts ok. But if i wait for some while before turning it back on - it doesn't, until again, I disconnect the ATX, wait a second for inverter to start and then connect ATX.
    After it has started it is working ok (Tried it for 15min only, but seemed fine)

    The inverter has "soft start" feature in it.. maybe its related.

    Expert help is very appreciated :-)

  2. #2
    Stank Cheese n8scstm's Avatar
    Join Date
    Oct 2004
    Eastvale, Ca (Near Corona)
    Inverter is too small. Get a bigger one and your problems will be gone. I promise.
    2.4 celeron
    150 watt OPUS
    micro atx
    xp pro
    tv/radio tuner card
    Dual monitor Radeon
    802.11G Mimo
    xm pcr
    8" Lilliput touch screen
    dual optimas
    battery isolator
    15" screen
    My Truck

  3. #3
    Constant Bitrate csnowman00's Avatar
    Join Date
    Feb 2005
    Wilkes-Barre, PA
    I agree, the fault is because the inverter cannot supply the power needed.
    Current Progress:
    Final Assembly

    Ramline P3 PC
    10.4 inch Touchscreen
    Windows XP Embedded
    Road Runner
    Electrical Engineer / Mobile DJ

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