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  1. #1
    Join Date
    Feb 2011
    Location
    GRAIN VALLEY,MO
    Posts
    8

    Default Syncrowave 250 problems

    I am having trouble wiith a Syncrowave 250...when I ease off the pedal to slowly back out of aluminum welding the arc just stops..I thought it might be the pedal so I bought another and that did not help.

  2. #2
    Join Date
    Jul 2010
    Posts
    375

    Default

    Are you saying you have no throttle? In other words, is the pedal acting like a momentary switch, where it's either ON or OFF, but there's no difference in the amperage between half-pedal and floored?

    If so, check your panel. For aluminum welding, you should have:

    - AC Polarity
    - Process: TIG
    - Amperage: Remote
    - Output: Remote
    - Start Mode: HF Cont.

    Have you checked/gapped the HF points?

  3. #3
    Join Date
    Feb 2011
    Location
    GRAIN VALLEY,MO
    Posts
    8

    Default

    Quote Originally Posted by Helios View Post
    Are you saying you have no throttle? In other words, is the pedal acting like a momentary switch, where it's either ON or OFF, but there's no difference in the amperage between half-pedal and floored?

    If so, check your panel. For aluminum welding, you should have:

    - AC Polarity
    - Process: TIG
    - Amperage: Remote
    - Output: Remote
    - Start Mode: HF Cont.

    Have you checked/gapped the HF points?
    You are correct, it is just off and on and no difference between half pedal and floored. all of the settings are correct. I have not checked the gap..what should it be?

  4. #4
    Join Date
    Jul 2010
    Posts
    375

    Default

    I'm no tech by a long shot, but it sounds like your OUTPUT control isn't functioning properly for whatever reason.

    I believe point gap should be .008" (and I think, based on the manual for my 330A/BP, that a larger spark gap will cause you to have a more aggressive/effective HF arc starting) but my gut says the points ain't your problem. Can't hurt to check, though, I guess.

    Maybe Cruizer or somebody else who knows what they're talking about (not me) will be along here soon...

  5. #5
    Join Date
    Feb 2011
    Location
    GRAIN VALLEY,MO
    Posts
    8

    Default

    Thank you Helios.

  6. #6
    Join Date
    Oct 2004
    Location
    Edmonton, Alberta
    Posts
    7,616

    Default

    Need a little more info, and the serial# Does the pedal control the arc at all? Are you in remote for contactor control and weld control. do you have a torch water cooler.

  7. #7
    Join Date
    Nov 2010
    Posts
    265

    Default

    Quote Originally Posted by smoking1320 View Post
    ...so I bought another and that did not help.
    Another case of poisoning the well?

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