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  1. 24th February 2014, 08:27 PM #1
    jex
    jex is offline Member
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    Default Unimig Craft 200 - no arc

    Hi Guys,
    I have an old Unimig Craft 200 mig that has no arc. Wire feed & gas solenoid is working ok just no arc. Does anyone have a circuit diagram or an idea on what may be the problem ? Have checked over all the connections. Nothing is loose or broken.

    John
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  3. 3rd March 2014, 05:50 PM #2
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    matthew_g
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    Default

    Quote Originally Posted by jex View Post
    Hi Guys,
    I have an old Unimig Craft 200 mig that has no arc. Wire feed & gas solenoid is working ok just no arc. Does anyone have a circuit diagram or an idea on what may be the problem ? Have checked over all the connections. Nothing is loose or broken.

    John
    Just a thought,
    but I would be checking that there is power getting to and from the transformer.


    Matt
    Warning Disclaimer
  4. 3rd March 2014, 09:58 PM #3
    jex
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    Default

    Yes Matt , good suggestion but I would like a circuit diagram before I go poking around so I know what voltages to look for ?

    John
  5. 5th March 2014, 06:31 PM #4
    dubman
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    Have a look at the contactor, check you have the same voltage across both sides when it is energised ,It is common for the contacts to burn away over time
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