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Search took 0.00 seconds. Search: Posts Made By: nomadikus

Forum: Electrical | Charging, Systems, Solar and Generators

10-27-2022, 05:04 PM

Replies: 28

Onan 2800 S2 Disable But Still Stops

Views: 5,016

Posted By nomadikus

Follow Up - Basic Overview, Onan 2800 with case off

I put together a 7 minute video just going over the Onan inputs and outputs for those who are considering tackling fixing their generator themselves. Includes the location of the S2 sensor (from the...

Forum: Electrical | Charging, Systems, Solar and Generators

10-27-2022, 04:11 PM

Replies: 28

Onan 2800 S2 Disable But Still Stops

Views: 5,016

Posted By nomadikus

That's interesting - I think that would be a...

That's interesting - I think that would be a voltage shutdown. From my reading I think some of them shut down when the wrong voltage is appearing on the 110 out to protect your in-coach equipment. ...

Forum: Electrical | Charging, Systems, Solar and Generators

10-27-2022, 04:04 PM

Replies: 28

Onan 2800 S2 Disable But Still Stops

Views: 5,016

Posted By nomadikus

Huh, that's interesting. The only hose on the...

Huh, that's interesting. The only hose on the back of mine is the fuel line coming in. It does make sense that it might varnish up I guess, if fuel sat long enough in it. I seem to have a pretty...

Forum: Electrical | Charging, Systems, Solar and Generators

10-26-2022, 11:49 PM

Replies: 28

Onan 2800 S2 Disable But Still Stops

Views: 5,016

Posted By nomadikus

So far the parts have been available on the Onan...

So far the parts have been available on the Onan site (rods and valves). I don't trust myself with the engine internals yet so I'm waiting for a friend to come by and check things out with me. He...

Forum: Electrical | Charging, Systems, Solar and Generators

10-25-2022, 08:52 PM

Replies: 28

Onan 2800 S2 Disable But Still Stops

Views: 5,016

Posted By nomadikus

So just as a test I reconnected S2, didn't help. ...

So just as a test I reconnected S2, didn't help. Put the intake baffle back on and used starter fluid, just in case something went wrong somehow with the carb, no dice. We took off the rocker cover...

Forum: Electrical | Charging, Systems, Solar and Generators

10-25-2022, 01:25 PM

Replies: 28

Onan 2800 S2 Disable But Still Stops

Views: 5,016

Posted By nomadikus

Yeah, I think I was confused about the term, but...

Yeah, I think I was confused about the term, but when I originally wrote that I hadn't taken note that the flywheel was spinning and I hadn't checked for piston movement (because I'd forgotten one...

Forum: Electrical | Charging, Systems, Solar and Generators

10-25-2022, 02:48 AM

Replies: 28

Onan 2800 S2 Disable But Still Stops

Views: 5,016

Posted By nomadikus

Summary Update

Findings so far are:

1. Disabling the S2 sensor did not appear to change run characteristics. Everything runs until I stop pressing 'start'.
2. A large backfire occurred while testing, after...

Forum: Electrical | Charging, Systems, Solar and Generators

10-23-2022, 08:13 PM

Replies: 28

Onan 2800 S2 Disable But Still Stops

Views: 5,016

Posted By nomadikus

The fan spins when the starter does, so that is...

The fan spins when the starter does, so that is engaging. And when I spin the fan by hand I do see piston movement in the spark plug hole. A mystery for now I guess.. at least I'm getting an...

Forum: Electrical | Charging, Systems, Solar and Generators

10-23-2022, 07:39 PM

Replies: 28

Onan 2800 S2 Disable But Still Stops

Views: 5,016

Posted By nomadikus

Actually if I'd looked at the diagram I'd know it...

Actually if I'd looked at the diagram I'd know it would have to be only a partial shear if any - I do get fractional AC voltage on the outputs just from the starter motor spinning + engaging for a...

Forum: Electrical | Charging, Systems, Solar and Generators

10-23-2022, 07:13 PM

Replies: 28

Onan 2800 S2 Disable But Still Stops

Views: 5,016

Posted By nomadikus

Just from reading the manual I think the magneto...

Just from reading the manual I think the magneto is on the flywheel end. I wish I'd waited to read your comment about watching the piston move through the spark plug hole but at this point I've...

Forum: Electrical | Charging, Systems, Solar and Generators

10-23-2022, 05:44 PM

Replies: 28

Onan 2800 S2 Disable But Still Stops

Views: 5,016

Posted By nomadikus

I thought I could possibly see the key but it...

I thought I could possibly see the key but it looks like it's behind the fan. On 'start' the fuel pump engages immediately (and there is fuel), there is spark (as tested by holding the plug next to...

Forum: Electrical | Charging, Systems, Solar and Generators

10-23-2022, 04:36 PM

Replies: 28

Onan 2800 S2 Disable But Still Stops

Views: 5,016

Posted By nomadikus

Oh, wow, that really could be it. It was quite a...

Oh, wow, that really could be it. It was quite a backfire. I have every manual I could find downloaded - now that I know that exists I can try to find it. I'll report back whatever I find! Thanks...

Forum: Electrical | Charging, Systems, Solar and Generators

10-23-2022, 04:35 PM

Replies: 28

Onan 2800 S2 Disable But Still Stops

Views: 5,016

Posted By nomadikus

Thanks! I don't see any lights on the 2800 but...

Thanks! I don't see any lights on the 2800 but I'll check again.

Forum: Electrical | Charging, Systems, Solar and Generators

10-23-2022, 05:29 AM

Replies: 28

Onan 2800 S2 Disable But Still Stops

Views: 5,016

Posted By nomadikus

I keep making things worse...

So somehow, amidst a backfire or two, something may have gone seriously wrong. Now when pressing start I get the starter motor revving up, solenoid driving engagement to flywheel and flywheel spin...

Forum: Electrical | Charging, Systems, Solar and Generators

10-22-2022, 11:09 PM

Replies: 28

Onan 2800 S2 Disable But Still Stops

Views: 5,016

Posted By nomadikus

Tried to check the voltage but didn't see any. ...

Tried to check the voltage but didn't see any. Pulled the control board cover off to inspect and didn't see any obvious problems but then realized my 110V breaker showed 'off'. Thought it should be...

Forum: Electrical | Charging, Systems, Solar and Generators

10-22-2022, 08:03 PM

Replies: 28

Onan 2800 S2 Disable But Still Stops

Views: 5,016

Posted By nomadikus

Checking Output Voltage

I haven't checked output voltage, no. I was reviewing the FlightSystems troubleshooting guide it says it needs the Low Oil Level sensor open and pin P2-4 "ungrounded". Pin P2-4 is the Magneto Kill,...

Forum: Electrical | Charging, Systems, Solar and Generators

10-22-2022, 07:32 PM

Replies: 28

Onan 2800 S2 Disable But Still Stops

Views: 5,016

Posted By nomadikus

Onan 2800 S2 Disable But Still Stops

Pretty much the title. I've disabled what I think is S2 but the gennie only runs while I'm holding down the start button. Off the top of my head these things are happening and possibly related?
...

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