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Error codes 70-73

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  • Error codes 70-73

    Hello all,

    I'm having a problem that I can't seem to figure out.

    First it started with pin-holder #7 dropping an extra pin down when there was already a pin in the holder. This caused many J1s/J2s. I tried replacing the holder which at first seemed to work but then the same old problem started happening.

    This problem evolved into a newer more complex problem where I am getting either error code 70, 71, 72 or 73. These are the codes associated with the switch cluster. What seems to happen is that the table is raised and stops when the switch is accutated but then it slips a bit down and this throws the switch cluster out of alignment because it is expecting one of the switches (a, b, c or d) but not seeing it.

    Any ideas?

  • #2
    So the table is coasting?

    Comment


    • #3
      i had this problem the other week cause was i/o board
      im never wrong just askme

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      • #4
        If your table is 'drifting' or sagging after stopping, then you should watch to see:

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        • #5
          poop,
          see if the belt is sliding on the pulley or if the pulley (meaning motor) is rotating.
          If the pulley itself is rotating, then it could be a bad brake; if the belt is slipping, then the spring tension may not be helping hold or the belt itself is bad or dirty.

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          • #6
            Check the table fuses on your high voltage circuit board.

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            • #7
              It could be any of the above, fuse, belt slipping bad brake that breaks during machine cycle, also check the stroke limiter the small pin that stops it from moving rearward could be broken letting the T-stop catch on the head of allen bolt, when this happens table will lift about 6 in. and then drop back down and give a 70's code but only on pin detect cycle.
              For Sale, Parachute. Only used once, never opened, small stain.

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              • #8
                i am dealing with this right now. it was not any of the above....the next thing i need to find is a good switch cluster cam -- mine is cracked and rotates real easy, which might be causing it to move as it hits the 'a' switch lever. anyway, it'll be a day or so before i get back to it and we'll see. not sure what 'forum' has found yet.

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                • #9
                  Ok, so now I turn the machine on, the table lowers to detect then comes back up sits there and after a few seconds I get an error code 73. Any idea whats going on?

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                  • #10
                    Originally posted by loadtoad View Post
                    i am dealing with this right now. it was not any of the above....the next thing i need to find is a good switch cluster cam -- mine is cracked and rotates real easy, which might be causing it to move as it hits the 'a' switch lever. anyway, it'll be a day or so before i get back to it and we'll see. not sure what 'forum' has found yet.
                    I was gonna reply to check the cam

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                    • #11
                      My cam is fine. I also replaced every switch in the cluster. Ideas?

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                      • #12
                        Sounds like you are not getting info from switch. Check for bad switch or broken switch wire, make sure to check wires where they connect to nexgen box.
                        For Sale, Parachute. Only used once, never opened, small stain.

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                        • #13
                          For LoadToad, a hose clamp or pulley clamp does wonders with those switch cam levers. Just snap the projections off where it clamps around the shaft. A little removal of material of the reinforcing rib at the base and you can slide a hose clamp or GS pulley clamp right over the base. Tighten it up in adjustment and it will never move again.

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                          • #14
                            Glitch, funny you mention the pulley clamp mod...I was going to try that at one center and was telling the technician at another to do the same thing....just haven't actually done it yet. Good to know the process will work.

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                            • #15
                              Ours was the cam...cracked and would slip when the shaft rotated around to hit the A switch. We used a pulley clamp and cut off part of the end of the plastic clamp, fit it inside the metal pulley clamp and it works great.

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