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  1. #1
    Join Date
    Oct 2013
    Posts
    1

    Default Trouble with an Econo twin HF

    I have an old Econo twin HF I tig with. When I run it in ac for aluminium it trips the reset in about 20 or so seconds. Has anyone had this problem ? I am also looking to see if I can locate a service manual for it through miller. Thanks for any ideas

  2. #2
    Join Date
    Oct 2004
    Location
    Edmonton, Alberta
    Posts
    7,846

    Default

    Quote Originally Posted by 1949F1 View Post
    I have an old Econo twin HF I tig with. When I run it in ac for aluminium it trips the reset in about 20 or so seconds. Has anyone had this problem ? I am also looking to see if I can locate a service manual for it through miller. Thanks for any ideas
    Bad shorted recifier diode.

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