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Old 07-26-2014, 07:05 AM   #29
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All of your ideas are awesome. Please keep them coming. Eventually we will hit on the problem and solve this issue.

Thanks again for all your brain-power.
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Old 07-26-2014, 01:48 PM   #30
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Just tried running the washer on generator with the shore power cord unplugged from the power pedestal. It DID again throw the F:07 code.

So now what???
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Old 07-26-2014, 01:58 PM   #31
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My bet is that there's some slight voltage difference between neutral and ground when on generator, and the washer is detecting that and doesn't like it. Try a multi-meter on that outlet (or probably any outlet) and see what you get both on shore power and generator. use a lower range as needed, it might be only a volt or less.
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Old 07-28-2014, 07:26 AM   #32
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Quote:
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My bet is that there's some slight voltage difference between neutral and ground when on generator, and the washer is detecting that and doesn't like it. Try a multi-meter on that outlet (or probably any outlet) and see what you get both on shore power and generator. use a lower range as needed, it might be only a volt or less.
I've got a good multiple-meter. But I'm not sure how to test the 3 prong 120v outlet. I'm presuming the bottom round prong is the ground??? Whats the configuration?

Thanks!
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Old 07-28-2014, 07:43 AM   #33
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Yes, round prong is ground. You should have 120V (more or less) between that prong and one of the flat ones, and 0V to the other flat one. And 120V between the two flat prongs. If it's wired correctly, the left flat prong with the wider opening should be the hot side (120V). I think.

Measure the voltages between the three prongs and report back. If it's close to zero, change the range on the meter to get a more accurate reading.
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Old 07-28-2014, 07:49 AM   #34
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Will do!!! As soon as DW gets out of the shower. Thanks!
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Old 07-28-2014, 08:19 AM   #35
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Here are the results:

On Shore Power

Power to Nuetral- 123.7v
Power to Ground - 2.05v
Nuetral to Ground - 124.5v

On Generator

Power to Nuetral- 120.5v
Power to Ground - jumped between 0.5 - 0.2v
Nuetral to Ground - 121.0v
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Old 07-28-2014, 08:32 AM   #36
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Quote:
Originally Posted by danleininger View Post
Here are the results:

On Shore Power

Power to Nuetral- 123.7v
Power to Ground - 2.05v
Nuetral to Ground - 124.5v

On Generator

Power to Nuetral- 120.5v
Power to Ground - jumped between 0.5 - 0.2v
Nuetral to Ground - 121.0v
You've got your Neutral and Hot (Power) prongs reversed, but that could be because I was wrong on which side is hot and which is neutral.

Two things are interesting here - the (real) neutral to ground is 2V on shore power, which seems high to me. Second, you say that neutral to ground on the generator is jumping around, which indicates a bad (loose) ground connection somewhere. I expect it's that jumping which is causing the washer to throw a fault.

So there's either a loose ground between the generator and the transfer switch, or a problem internal to the generator. The next step would be to repeat the measurements at the output of the generator, to determine if it's internal or not.
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Old 07-28-2014, 11:30 AM   #37
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We will give it a go.
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Old 07-29-2014, 08:38 AM   #38
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So there's either a loose ground between the generator and the transfer switch, or a problem internal to the generator. The next step would be to repeat the measurements at the output of the generator, to determine if it's internal or not.
Any idea where/how I can do this on the generator? I could take measurements where the gen wiring connects to the transfer switch.

Your thoughts???
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Old 07-29-2014, 08:56 AM   #39
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Any idea where/how I can do this on the generator? I could take measurements where the gen wiring connects to the transfer switch.

Your thoughts???
I'm not that familiar with Onan generators, but I think I'd be looking to take off a cover plate so I could get to the back of the circuit breakers. Doing it at the transfer switch isn't going to tell you whether it's the cables going to the generator or the generator itself. You already know it's on the generator side of the transfer switch, or you would have the same problem on shore power.
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Old 07-29-2014, 01:38 PM   #40
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I cleaned the ground up from the gen. to frame. On elect. I was running 123.8-124 volts. On gen I was running120.3-121 volts. I got through 1 cycle ok. next I turned 1 air on. volts went up to123-124.2. I got half way through the next 2 cycles and got f07. I didn't notice any voltage flucuation when it quit. I was about 12 minutes into the cycles.
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Old 08-05-2014, 04:19 PM   #41
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Has anyone else had this problem on generator power. need help
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Old 08-17-2014, 11:31 PM   #42
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Quote:
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We have separate Whirlpool Washer and Dryers. Our Campsite has 50A 120V shore power. Really! I had the CG Foreman out to explain this to me.



Anyway we have to run our dryer on generator as it's 240V. We got permission. So when we were running both the washer and dryer, using the generator and the Washing Machine threw a "F:07" fault code. This indicates an electrical problem. This is now happening every time I try to run the Washer while on generator BUT it's not happening when I'm on Shore Power and NOT running the Dryer.



It seems the Washer doesn't like the electrical provided by the generator??? I also seem to get a flickering of the Microwave Counter Light, which I also believe is 120V.



One other fact it the the RV-C panel shows Current about 123V but the Cycles fluctuate between 60-61 Hz.



Is it possible the generator isn't producing a "Clean" Current???

Did you ever figure anything out?
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