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  1. #11
    Join Date
    Nov 2013
    Posts
    19

    Default

    I pulled the connector to the gun cable and triggered it with a piece of wire. Popped the breaker first try. I guess that eliminates the gun assembly. Is there anything else besides the caps?

    Steve

  2. #12
    Join Date
    Oct 2004
    Location
    Edmonton, Alberta
    Posts
    7,465

    Default

    NO, I said the MACHINE, ie the shop master There is no A & B on the trigger terminals...

  3. #13
    Join Date
    Nov 2013
    Posts
    19

    Default

    Maybe I wasn't clear.
    I pulled the connecter that goes from the wirefeeder to the machine end of the gun assembly. The connector is marked Tweco, not Amphenol. It has no A/B labels.

    I shorted the wirefeeder end of the connector, leaving the gun assembly end open. This blew the breaker.

    If this is not what you meant, I need a little more detail, like where the connector is located.

    Steve

  4. #14
    Join Date
    Oct 2004
    Location
    Edmonton, Alberta
    Posts
    7,465

    Default

    And the control cable that links the feeder to the machine? If you were to remove that from the machine and jumper A & B. We can eliminate the feeder as being the problem.
    Last edited by cruizer; 11-30-2013 at 06:48 PM.

  5. #15
    Join Date
    Nov 2013
    Posts
    19

    Default

    When I jumper A and B on the machine side of the connector, nothing happens. Breaker doesn't pop, no wire feed. Should the wire feed?

    Steve

  6. #16
    Join Date
    Nov 2013
    Posts
    19

    Default

    Right, the wirefeeder is unplugged. It should not feed.

  7. #17
    Join Date
    Oct 2004
    Location
    Edmonton, Alberta
    Posts
    7,465

    Default

    So now we have determined the problem is NOT with the power source, its with the feeder.

    What kind of feeder? model and serial#

  8. #18
    Join Date
    Nov 2013
    Posts
    19

    Default

    S22A Wire feeder, s/n KD413282

  9. #19
    Join Date
    Oct 2004
    Location
    Edmonton, Alberta
    Posts
    7,465

    Default

    Shorting a & b turns on the contactor in the machine, just as you hit the trigger on your gun. You either have a problem with the control cord, extremely likely, or a board problem. Never the less, its NOT the shopmaster. Might want to meter the amphenol on the master, A to G must be around 24VAC. The 22a uses only 3 wires a,b,g, You may have other wires in there causing problems.

  10. #20
    Join Date
    Nov 2013
    Posts
    19

    Default

    I will be back to this, but probably no time until the weekend.
    Thanks for all the help, I'll report what I find.

    Steve

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