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  • tripping wall breaker

    i have a chassis (solid state) that was tripping wall breaker, according to my pinnies over the weekend, about every 20 minutes or so. have gone through the normal checks I.E. c-1 block and pins and sockets, be relay, motors, control box c.b., and so on. i have been told that it happens every time when the table is in movement. gave new contacts, changed c-1 pins anyway, and again so on. after further inspection, i noticed that 2 of the 3 power diodes in the pack were burned all arount the base of the "stem". sorry for the long post, but heres my question... does anyone think that the diodes going bad could cause the wall breaker to trip??? i personally wouldnt think so but as we all know, anything seems to be possible with these machines. thanks for any help!
    Don't mind me, what you read is invisible.

  • #2
    Re: tripping wall breaker

    by the way, i forgot to mention that the breaker itself checks out ok and the russell stoll does as well.
    Don't mind me, what you read is invisible.

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    • #3
      Re: tripping wall breaker

      I had to change out a set of power diodes over the summer when I was rebuilding spare chassis's. It didn't trip the wall breaker, it tripped the breaker on the rear control box. The wall breaker is a high voltage breaker, the one on the control box is the low voltage one. I wouldn't think that would cause it. My immediate thoughts would be something somewhere in the table wiring, maybe in the plug or wireway? This is an interesting one, keep us posted!
      All I want in life is to turn wrenches and climb around pinsetters/pinspotters again :/

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      • #4
        Re: tripping wall breaker

        thanks for checking in on this rep. the thing is a spare chassis is working fine on my lane 10. so obviously its chassis related. no bare spots on the wires grounding anything as far as i can tell. 13 years on these machines and i can say ive never been this lost on a breaker tripping deal. pretty freaky considering i just joined this site the other day! LOL
        Don't mind me, what you read is invisible.

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        • #5
          Re: tripping wall breaker

          I'm always popping in... Aside from last week when I was at Nationals in Baton Rouge... This is definately an odd one. Something high voltage in the chassis somewhere, LOTTA wires in em heh Can't say I've ever seen one like this, our breaker problems are 9/10 just weak breakers, as they're old. Glad to see ya posting though, thats what this site is all about, you're gonna fit in quite well here I can see [img]/content/btubb/images/%%GRAEMLIN_URL%%/smile.gif[/img]
          All I want in life is to turn wrenches and climb around pinsetters/pinspotters again :/

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          • #6
            Re: tripping wall breaker

            Did you put that chassis on a different machine and it tripped the wall breaker on that lane also??
            Charley
            82-70's SS Chassis Omega-Tek w/expanders
            2009 Qubica scoring 3QT's and 6 box.

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            • #7
              Re: tripping wall breaker

              sorry, should have been more specific. yes i did try chassis on another machine and it did trip breaker. i am a big fan of the swap.
              Don't mind me, what you read is invisible.

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              • #8
                Re: tripping wall breaker

                Check out the heat sink Directly under the T1 transformer. If it is grounded out yuo may see somthing like this. Also I've seen a sweep contactor do the same thing. If a wire going into the contactor is loose or weak it will trip the machine breaker.
                They say that the **** rolls down hill but the smell always starts at the top.

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                • #9
                  Re: tripping wall breaker

                  Usually a bad diode will pop the breaker or a fuse RIGHT NOW! Make sure the insulating hardware is intact and the screws are tight. You can check them with a meter with the diode function, the outside diodes will read one way, the center the opposite. There is a silver relay on the motherboard called the KX relay - get rid of it...it can cause similer problems.
                  Jon [img]/content/btubb/images/%%GRAEMLIN_URL%%/usflag.jpg[/img]

                  <a href="http://home.earthlink.net/~wb8yjf/" target="_blank"><a href="http://home.earthlink.net/~wb8yjf/" target="_blank"><a href="http://home.earthlink.net/~wb8yjf/" target="_blank"><a href="http://home.earthlink.net/~wb8yjf/" target="_blank"><a href="http://home.earthlink.net/~wb8yjf/" target="_blank"><a href="http://home.earthlink.net/~wb8yjf/" target="_blank"><a href="http://home.earthlink.net/~wb8yjf/" target="_blank"><a href="http://home.earthlink.net/~wb8yjf/" target="_blank"><a href="http://home.earthlink.net/~wb8yjf/" target="_blank">http://home.earthlink.net/~wb8yjf/</a></a></a></a></a></a></a></a></a>
                  [img]/content/btubb/images/%%GRAEMLIN_URL%%/laugh.gif[/img]
                  I've had enough of hope & chains.

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                  • #10
                    Re: tripping wall breaker

                    Check out the heat sink Directly under the T1 transformer
                    Qualified to do anything with nothing!

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                    • #11
                      Re: tripping wall breaker

                      ok guys, here we go! never seen it or heard of it before but this is true! i took the allen bradley out of the chassis today and low and behold the screw hole for the lower contacts was enlongated! now i know that when both contacts make contact at the same time it is telling the motor to both stop and start at the same time usually blasting the or at least one of the capacitors. but i dont understand that when i replaced the contacts, the lowers felt like they tightened up pretty well (considering how much of a bitch it is to screw them in in the first place) but after further review they were just flopping around in the wind. never seen this before. put brand new seimens relay in and its like butter. solid and smooth. thanks for all the suggestions guys and gals!
                      Don't mind me, what you read is invisible.

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                      • #12
                        Re: tripping wall breaker

                        The old AB contactors were prone to that happening, especially with the after market contacts. I see lower contacts flopping and falling off all the time!
                        I've had enough of hope & chains.

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                        • #13
                          Re: tripping wall breaker

                          Bent wrench-we are having the same problem with 2 machines. Found out the problem to be in the back/end motor plugs. I used a cheater cord with a FLUKE 333 amp probe--had a reading between 6.2 and 6.8 amps. When I go to the chassis and read at the jumper in the B/E relay just under the breakers it reads 7.2 to as high as 8.4 amps with the motor pluged in. We changed to a 82-90 XL plug by AMP Inc. about $50--no more problems. Going to change all of them this summer. Lost a chassis also. Thanks Jamie for fixing that one!!
                          For Sale- Pickled Eggs--10 cents each, 2 for a quarter, I'll have a quarters worth please.

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