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Thread: Weldall 256PI High frequency start constantly on at power up

  1. #1

    Weldall 256PI High frequency start constantly on at power up

    I have a Weldall 256PI That when turned on the high frequency points fire constantly even with the foot petal discounted.when firing pushing the petal when connected does nothing no gas flow etc. is there a common relay that goes bad or something? the welder worked fine the last time I used it started this crap out of the gate.wiring diagram or any suggestion would be appreciated.
    Thanks in advance

  2. #2
    Senior Member
    Join Date
    Dec 2010
    Location
    Andover, Ohio
    Posts
    304
    woody7978, welcome to the forum.

  3. #3
    Quote Originally Posted by woody7978 View Post
    I have a Weldall 256PI That when turned on the high frequency points fire constantly even with the foot petal discounted.when firing pushing the petal when connected does nothing no gas flow etc. is there a common relay that goes bad or something? the welder worked fine the last time I used it started this crap out of the gate.wiring diagram or any suggestion would be appreciated.
    Thanks in advance
    Hi Woody,

    Thank you for joining the forums. If you need tech support, you can reach them tech@lwelds.com or at 877-566-4462
    Phone: 877-566-4462 x 206
    Email: daniel@longevity-inc.com

  4. #4
    Thanks for the information.Ihave contacted them and they have no idea what the problem is. They will have to contact the factory to see if they know which board caused the problem. I am on the east coast and shipping for a repair will not be good sense throwing good money after bad. I have asked for a schematic ,but from what I have heard that doesn't happen ,so I do not know if it will be fixed kinda sad only 4 years old very rarely hobby use,
    Thanks Woody

  5. #5
    still waiting for a response and schematic information
    Thanks woody

  6. #6
    Hello Woody, we will continue to send requests for the schematics you are requesting for this unit. Please let us know if you are able to find any physical signs of failure on the board(s) mentioned during your phone call with our tech(Jesse).

    Thank you,
    LTech

  7. #7
    I am still waiting to hear some information determining what has gone bad in my four year old weldall 256pi without any hope of help . this scenario is beginning to become more familiar with everything I have been able to read about these welders.not worth sending in for repairs,no schematics available ,model discontinued,and so on. Any Help out there?

  8. #8
    I have found a post where a member has thanked someone for a schematic.http://forum.longevity-inc.com/showt...a-quit-working What is this about?

  9. #9
    Quote Originally Posted by woody7978 View Post
    I have found a post where a member has thanked someone for a schematic.http://forum.longevity-inc.com/showt...a-quit-working What is this about?
    I read the post and took his mention of an address for the schematics to be in reference to the tech@lwelds.com email address. In any case, I'll send Simon an email to see if he can help.
    Dan

    Originally Posted by LONGEVITY
    Hello. Please email tech@lwelds.com for a schematic.

    The digital display on those units may need to be recalibrated and you can do that on a pot.

    Adjust HF points to .035" to see if plasma problem is improved and also try pressure at increments of 5psi from 40 to see if it helps provide a more stable arc.



    Thanks for the email address for schematics. On the other suggestions, I have already adjusted the points, and the plasma problem is that it doesnt work, it was unstable last year, but this year it doesnt work at all.
    cm2
    Units owned Longevity PROmts 200

    Force Cut LP80 plasma cutter
    Longevity auto dark welding helmet

    Atlas 10x36" lathe
    Craftsman 5HP 30 Gal compressor
    Home made CNC router/plasma/hot wire foam cutting, 3D printing table powered by Longevity Force Cut LP80
    Home built aluminum foundry, HF 4x6 bandsaw

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