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  1. CallMeColt

    MEP 803A Overload Fault Troubleshooting

    So, took me a bit to come back! Over the weekend I went to do my standard 6 hour load bank test & it failed. Had to work through some mechanical issues. Had the day off to go pickup an auction win & seems like it will pass today. At ~5hrs, 12,000 watt load. Needless to say, the issue this...
  2. CallMeColt

    MEP 803A Overload Fault Troubleshooting

    Replaced R13. Removed it & it was open. Getting a ~3.3 ohms at CT1/CT2. It's late, so tomorrow after work I will get it under load again.
  3. CallMeColt

    MEP 803A Overload Fault Troubleshooting

    Did this just now & got ~7.8 ohms. So, something is keeping them from parallel between CT1/2 & the resistors or one is bad. Looks like I know where to dig into next. Thank you!
  4. CallMeColt

    MEP 803A Overload Fault Troubleshooting

    I also wanted to upload this picture to make sure there is not something here that I'm missing that is out of place.
  5. CallMeColt

    MEP 803A Overload Fault Troubleshooting

    @kloppk R13 & R12 are getting the same, elevated voltage readings as I posted above. So, this is making me think there is an issue with the CT or the wire trail going through CT3 that is making the CT read higher? If I recall, the TM test for the CT in the machine is a simple continuity test &...
  6. CallMeColt

    MEP 803A Overload Fault Troubleshooting

    Okay, thank you. I don't know why I didn't check it. I must have read incorrectly in another post where you talked about this and thought only the first 3 were for each leg. This is what happens when brain fatigue sets in!
  7. CallMeColt

    MEP 803A Overload Fault Troubleshooting

    I did not take a measurement of R13. Good catch. Your diagram shows this & I kind of ignored it for some reason. I will have to pull the trailer back up to the shop & set the load bank up again to test. This afternoon I moved onto my M4K with about the same results as the generator. Should have...
  8. CallMeColt

    MEP 803A Overload Fault Troubleshooting

    Added a few things to my original post that I forgot to put in there. Also, After letting the contact cleaner dry & touching/tracing each wire to confirm it is in the proper place, no luck. I also unbolted to CT to make sure I could get a good look at the side of the S8 & some of those...
  9. CallMeColt

    MEP 803A Overload Fault Troubleshooting

    The load has nothing to do with it. It is a fault in the way it is sensing. The generator is working fine. If you set S6 for 3 phase, it is monitoring for such, it is not setting the generator to make 3 phase power. You set the way the generator makes power with S8. You set how the generator...
  10. CallMeColt

    MEP 803A Overload Fault Troubleshooting

    Everyone, I know there are a few threads on this already. Have read through them & learned from them. Used that & have troubleshooted, but am still a but stumped. My situation is a little different, so I will try to consolidate what I have done as much as possible so that I can get some...
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