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Good work getting that 5k through that shed door! By the looks of the picture I thought you would have needed 50 gallons of Wiley Cyote's ACME grease and 4' shoe horn to get it out of there, but looks like you did it safely and damage-free!

Hi Chris, When you tested the exciter stator you got an open circuit at the terminal block. You got the same result when you disconnected the wires and retested. You will not get any readings by trying to probe the coils because of the coating on the wires. Maybe try back probing the ring...

Agreed... Those Chinese gens just run and run... 24/7 for a couple days on end.... then die in the middle of the outage rofl Then, once the power comes back and the stores reopen and restock, you buy another and repeat! :doh: But, yes... cheaper than Green Iron! Just kidding, everyone has their...

Well, hopefully Guy will check the new readings tomorrow, but right off the bat, the F1 to F2 resistance looks like a problem. Those are your Field excite wires which if there is an open circuit , there is no way the regulator can excite the field to create any power.

In addition to Guy's suggestion of measuring F1 and F2, Maybe a recheck of the 6 winding pairs is also in order. The Wheatstone and Kelvin bridge are probably more accurate than a DMM but I've measured them before using a standard DMM and the readings were fairly close. Definitely not Zero...

What about all the winding resistance readings, should be 3.3 ohms on all 6 and he is getting 0 ohms across all? Wouldn't that have to either be 6 incorrect readings or shorts within the windings?

Ah, as usual, you are correct! P10-A goes to X13A8 ground wire. There is a mistake on page 152 paragraph 2 on the right, winding resistance testing. It says P9 and 10 A-F. Should be P10 B-G with A being a ground! Good work looking at the schematic Guy! Now... back to analyzing Chris' other...

Must be the same thing. I'm looking in the TM procedure and it says P10, and the image on page 159 shows the plugs on the gen head being labeled P9 and P10... These are the 2 main power output plugs coming off the gen head. I'd assume the mating plugs on the AC reconnect box are J9 and J10.

Maybe I'm reading the numbers wrong, but reading #15 P10-A looks like a direct short, doesn't it? The manual says all readings of P9 and P10 to A-F should all be high. A low resistance on any of them should be signs of a shorted rotor shouldn't it?

If those readings are correct your gen head is a gonner. I can see getting readings that are maybe an ohm off, simply due to differences in meters and resistance in your leads, but all open and shorted circuits would seem to indicate catastrophic damage.

To add a little bit more info to Chris' post above, while he was here in RI we swapped out both the control cube and AC reconnection box with no change. This is also what led us to both feel that the previous post about the rotating diodes being the problem were most likely correct. At this...

Could also be a bad CVT , as well as a half dozen other things.