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Back to the basics. Once i figured out the low voltage light was the relay but the generator would still shut down after about 30 to 60 seconds I also noticed that it was hard to start if you immediately reset and hit the start key. I did a little investigation and found one of the fuel hoses...

I will thank you and goodnight for now. any thoughts on the auto shut down? it would appear that the auto shut down is only for over voltage not under voltage? but not sure I am interpreting the fualt indicator correctly.

Mine is a MEP804B 50/60hs NSN6115-01-530-1458 FSCM 60177 part number 19210

I do not know what a usable on code is. when i disconnect the one wire of the normally open is still dies after 30 seconds. I think I have more than one issue. i just noticed on the fault board that over volt looks like an act of shut down but not under volt. am I interpreting that correctly?

not sure how to jump it

No it will not keep running.

Based on the test for the under voltage light being on i have determined that the under/over voltage relay #60177 is bad. the under voltage normally open circuit is always closed. when performing the test to make it over voltage as in the manual the engine does not shut down right away and the...

Update to situation Okay, so after many attempts at finding the problem, I asked for more of the story. the alternator was replaced recently and this generator came from an auction, so not much in the way of history. I am not sure why but the shield wire at the alternator was connected to the...

Okay great! I will run it tomorrow. Thank you!

I found two transistors blown on the diagnosis board. Found new part online. Stuck now until I get new part. Then we can proceed to why the AC switch won't stay on.

I dont see MEP804B manuals. can anyone tell me which ones to use for diagnostic testing? when I crank using the start run switch the solenoid on the engine opposite the starter clicks but no power to starter solenoid exciter. if I go to the starter an bypass everything it cranks but still not...

Here is the S1 Picture

MstrFiksIt to Guyfang I looked all through the forum and while performing some test you had layed out for someone I manged to take a good running generator and made it so it will not start. My meter lead slipped and something made a quick pop like a fuse and now all the diagnostic lights are...