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  1. K

    MEP-831 inverter troubleshooting

    See PDF page 159 of that -13&P The version I referred to about 4-14 may be a different version. I have several version of the PDF.
  2. K

    MEP-831 inverter troubleshooting

    Here is a link to the Technical Manuals, TM's, for the 831A. ---> 831A TMs See section 4-14 for the adjustment procedures.
  3. K

    MEP-831 inverter troubleshooting

    The -13&P TM has the adjustment procedure for both the SLC100 Goernor Controller module and the mechanical linkage on the governor. The -13&P TM can be downloaded from the TM section of this forum.
  4. K

    MEP-831 inverter troubleshooting

    If it doesn't shut off due to Low OP fault it's likely either the Governor Controller isn't working properly or the mechanical settings of the governor have been fiddled with. The low OP fault may be due to a bad LOP switch. They fail with some frequency in the 831s. The OP is usually about...
  5. K

    MEP-831 inverter troubleshooting

    Is the generator new to you? Has it worked properly in the past? I assume you mean the Overload/Short Circuit fault lamp illuminates and the contactor opens.
  6. K

    MEP-831 inverter troubleshooting

    Rotors on tapered shafts require a puller to get them off. I had to fab up a puller to pop the PMA rotor off my 831 crankshaft. Basically made it from a heavy piece of plate steel with 3 holes in it. The holes in the plate are not threaded. Large center bolt is a 3/8 carriage bolt with a nut...
  7. K

    MEP-831 inverter troubleshooting

    I designed a special Governor Controller that maintains 60 Hz, restores the %Load function of the load meter for both legs and restores the overload function to open the contactor if either leg is overloaded. Let me know if you get the new gen head and are interested in the new controller.
  8. K

    MEP-831 inverter troubleshooting

    Looks like that one would work and fit. It's almost the same size as the Northern Tool gen head I have in one of my 831's.
  9. K

    MEP-831 inverter troubleshooting

    I've searched lately and haven't been able to find a suitable gen head with the J609B.
  10. K

    MEP-831 inverter troubleshooting

    If the inverter is not outputting power the starter lockout will not function. The inverter output from N and L1 is what powers the coil in K15 the starter lockout relay. Without power from the inverter the starter lockout relay will not function. Looks like you did some good troubleshooting...
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