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Thread: Miller Bobcat 250 no generator power or weld

  1. #1
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    Nov 2021
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    Miller Bobcat 250 no generator power or weld

    Started up my welder and rolled out the leads, come to find no spark. I the. Checked all connections and tried the generator and no power. Removed from truck and in shop now, all metal side off all wiring exposed. I read some threads on the web to check the 2 fuses and the two full bridge rectifiers? I replace both of each and a new capacitor and still no power? All components look great and the armature checked out 3.4 ohms . Brushes were good and the rings look clean? Any help would be appreciated!

  2. #2
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    Nov 2021
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    Re: Miller Bobcat 250 no generator power or weld

    Serial # LE440485 Stock #907211
    2004 year

  3. #3
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    Apr 2021
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    Alabama
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    Re: Miller Bobcat 250 no generator power or weld



    Hope this helps!

    Andy
    ESAB 350 MPI
    ESAB 330I CVCC
    Lincoln Idealarc 250
    Eastwood TIG 200
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    CH 110v MIG
    MK Industries Cobramatic with Prince XL
    Miller XR Wire Feeder

  4. #4
    Join Date
    Nov 2012
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    North Port Florida
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    Re: Miller Bobcat 250 no generator power or weld

    I've had a similar problem with my old BB400 D, I called Millers customer service, Engine Drive department. They walked me thru it over the phone, we did some checking with Multi meter. Call them they'll put you in the right direction.
    It seemed like a good idea at the time!

  5. #5
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    Nov 2021
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    Re: Miller Bobcat 250 no generator power or weld

    Thanks for the reply !

  6. #6
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    Nov 2021
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    Re: Miller Bobcat 250 no generator power or weld

    Thanks I still having problems
    I will call!

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