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Mp Chassis No Spot 2

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  • Mp Chassis No Spot 2

    I'm sorry about the first post. We have also tryed the T2 T3 transformers. It is definitely in the chassis the machine works fine with another chassis.

  • #2
    Re: Mp Chassis No Spot 2

    Nick, did you try changing the spot socket in the chassis? You can try to twist the spot relay a little as the machine is running to see if it might spot. If so, change the socket (fun).
    Jon
    I've had enough of hope & chains.

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    • #3
      Re: Mp Chassis No Spot 2

      When you say it wont spot, does the table try to run at all? Does it just sit there like it is waiting for the 9 pin, or does the table actualy run, and only go half way down to the deck?

      Comment


      • #4
        Re: Mp Chassis No Spot 2

        I’m assuming you put in a new SP relay.

        Is the SP relay pulling in?
        If not then the SP socket could be bad or the varsitors are bad.

        If the SP relay is pulling in, but not actuating the spot solenoid then I suspect a bad socket for the SP relay or you have burnt C1 pins.

        Triac

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        • #5
          Re: Mp Chassis No Spot 2

          FWIW, when we used to have the 9800 MPs I ran some of the 11 pin relays from Grainger, using ones with the LED when the 24VAC coil was hot. This will tell you if the signal is getting to the Spot Relay. Grainger p/n is 5YP88. Great for diagnosing problems and helping to isolate them.
          "Where are we going, and why are we in a hand basket?"

          --Kat

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          • #6
            Re: Mp Chassis No Spot 2

            Those relays are GREAT!
            I've had enough of hope & chains.

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            • #7
              Re: Mp Chassis No Spot 2

              [img]http://pic17.****************/VOL856/934456/1718790/23196461.jpg[/img]
              So it goes.

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              • #8
                Re: Mp Chassis No Spot 2

                Make sure all your C1a and C2a pins are tight and in the right place on both the chassis and the machine side.

                Get out the schematics and trace down the connections will give you a better ideal of where the problem.

                I have found this to be on many occasions.
                Dr. James Bandy,D.D. HCLS
                <a href="http://bowlingpin.cjb.net/Techs/aboutme.htm" target="_blank"><a href="http://bowlingpin.cjb.net/Techs/aboutme.htm" target="_blank"><a href="http://bowlingpin.cjb.net/Techs/aboutme.htm" target="_blank"><a href="http://bowlingpin.cjb.net/Techs/aboutme.htm" target="_blank"><a href="http://bowlingpin.cjb.net/Techs/aboutme.htm" target="_blank"><a href="http://bowlingpin.cjb.net/Techs/aboutme.htm" target="_blank"><a href="http://bowlingpin.cjb.net/Techs/aboutme.htm" target="_blank"><a href="http://bowlingpin.cjb.net/Techs/aboutme.htm" target="_blank"><a href="http://bowlingpin.cjb.net/Techs/aboutme.htm" target="_blank">http://bowlingpin.cjb.net/Techs/aboutme.htm</a></a></a></a></a></a></a></a></a>

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                • #9
                  Re: Mp Chassis No Spot 2

                  look for broke or frayed wires in the chassis. exspecially around zip ties. Sometimes if they are to tight the wires over time will weeken and break. I have had that happen here before on the 9800 mps I have.
                  SGT
                  U.S. Army/AVN
                  Retired

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                  • #10
                    Re: Mp Chassis No Spot 2

                    its probably in your c2 sounds like your spotting soloneld is not working which is low voltage in your c2

                    Comment

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