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  1. #1
    Join Date
    Jul 2007
    Location
    TEXAS
    Posts
    92

    Default 200DX no high frequency start

    I have searched and searched.

    I did check the contacts cleaned and set at .010

    I did blow the machine back out and clean out the dirt dauber nest in the bottom. It will weld on lift and stick.

    Where do I check the input voltage to the HF transformer? it looks like the transformer is behind the HF contacts. The machine is an 2005 model, this is the first time I have had any HF problems, actually this has been the first problem I have ever had out of the machine.

    Where do yall check to see if the pedal is triggering for the HF I had seen that some people had some HF issues over the pedal. My pedal did try to commit suicide off the cart a few weeks back but was saved at the last second by the cord.

    Trying to weld up some band saw blades with no HF is proving to be next to impossible.

    Thanks!!!!!!!!!
    DYNASTY 200DX
    SPECTRUM 625
    MM 251
    BWE

  2. #2
    Join Date
    Aug 2010
    Location
    Los Angeles
    Posts
    1,167

    Default

    The pedal cord would be the first thing to check since you had that incident. I have had many with broken wires in the cord.

    You could disconnect the pedal and try lift start to see if it works then. Of course you could try another pedal if you have one.
    Nothing welded, Nothing gained

    Miller Dynasty700DX
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    6 foot x 12 foot Mojave granite

  3. #3
    Join Date
    Jul 2007
    Location
    TEXAS
    Posts
    92

    Default

    do yall have a wiring diagram for the pedal?

    I'm going to go grab my neighbor's pedal and try it. Hopefully that is it. Should be an easy fix there
    DYNASTY 200DX
    SPECTRUM 625
    MM 251
    BWE

  4. #4
    Join Date
    Jul 2007
    Location
    TEXAS
    Posts
    92

    Default

    well I found my finger control. Tried it still no HF, tried AC and DC. No HF and NO HF sounds at all. Where do you check to see if your getting power to the HF board?

    Thanks!!
    DYNASTY 200DX
    SPECTRUM 625
    MM 251
    BWE

  5. #5
    Join Date
    Jul 2007
    Location
    TEXAS
    Posts
    92

    Default

    .....anybody up yet??
    DYNASTY 200DX
    SPECTRUM 625
    MM 251
    BWE

  6. #6
    Join Date
    Jul 2007
    Location
    TEXAS
    Posts
    92

    Default

    Well it went to the service center yesterday hopefully its not the
    DYNASTY 200DX
    SPECTRUM 625
    MM 251
    BWE

  7. #7
    Join Date
    Feb 2012
    Location
    NY
    Posts
    98

    Default

    I was getting pretty excited about buying a 200dx, but when I heard about the 280 coming out soon I decided to sit back and wait. Im really getting leary now hearing about these costly problems, and as the machines get old and outdated parts will only get more expensive. Trust me im a tried and true miller guy, but im up in the air now. And there aint nothing more that I love than buying a new machine!

  8. #8
    Join Date
    Jul 2010
    Posts
    375

    Default

    Quote Originally Posted by Gingerboy View Post
    Trust me im a tried and true miller guy, but im up in the air now. And there aint nothing more that I love than buying a new machine!
    Then buy a new Syncrowave!

  9. #9

    Default Nw Syncrowave

    Quote Originally Posted by Helios View Post
    Then buy a new Syncrowave!
    Then buy a new Dynasty. If you are an experienced welder-then play with the Dynasty and find out what it is capable of! It continues to amaze me!

  10. #10
    Join Date
    Jul 2007
    Location
    TEXAS
    Posts
    92

    Default

    Quote Originally Posted by Gingerboy View Post
    I was getting pretty excited about buying a 200dx, but when I heard about the 280 coming out soon I decided to sit back and wait. Im really getting leary now hearing about these costly problems, and as the machines get old and outdated parts will only get more expensive. Trust me im a tried and true miller guy, but im up in the air now. And there aint nothing more that I love than buying a new machine!


    Yeah I'm waiting for the 280 also....oh well my 280 fund is depleted now...
    DYNASTY 200DX
    SPECTRUM 625
    MM 251
    BWE

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