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Old 07-29-2011, 02:21 PM   #1
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Generator Question

Has anybody heard this before? Took the new MH for a shakedown run and the generator cut off a few times. Called the dealer and dropped it off on Monday. The Onan tech came out and ran it for two hours with no issues and could not find anything wrong with the unit. I was told that where the generator is located behind the motor that on extremely hot days the heat from the engine and coming up from the road could vapor lock the generator and it would cut off. It should restart but this is a design flaw from Fleetwood. Do other people have this problem??
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Old 07-29-2011, 03:07 PM   #2
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I would check all the grounds,make sure they are snug and tight. A lose ground well cause the generator to stop.
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Old 07-29-2011, 03:47 PM   #3
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I have a pace arrow. the gen. is just behind the engine.(first compartment) Were you low on gas? Having 1/4 tank of gas can starve the gen. in turns and stops.
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Old 07-29-2011, 07:14 PM   #4
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Full tank of gas. The generator is in the same compartment as the Pace it sounds like. I am picking it up on Monday and will just have to keep an eye on it I guess. Thanks for the input.
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Old 07-29-2011, 07:46 PM   #5
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What does Fleetwood have to say? If mounting the generator behind the engine causes the generator to overheat, sounds like a design defect to me. I would contact Fleetwood. If this is the case, they should already know about it.
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Old 07-29-2011, 07:54 PM   #6
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I don't believe this is a engine heat problem. In the five years we have had our pace' We have been in bumper to bumper traffic at a snails pace. Our generator is in the same place as yours and we have never had this problem.
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Old 07-30-2011, 07:48 AM   #7
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What model genny is it?
Do you get a code after she shuts down?

First step would be to check for codes to determine the cause of the shutdown. It will all be in the troubleshooting section in the back of your manual. You do not have to make it fail again. Just hit "stop" it will blink the last failure code, hit "stop" again and it will blink the subcode. Look em up and the book will tell you why she stopped.
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Old 07-30-2011, 09:08 PM   #8
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I had/have the problem. It would run all day in the yard, but driving to PA last week, it cut off a few times, sometime after a few hours, sometimes after 20 minutes. Always while moving. I get a code 36, which is a shutdown with out a command to shut down. Like running out of gas or losing 12v. Coming home today, it ran the whole trip, 8 hours. So, I may or may not have the problem.....
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Old 07-30-2011, 09:13 PM   #9
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Check your generators oil level. If it is a little low it might be shutting off when you make a corner or go up/down a hill. Setting still it will have no affect.

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Old 07-30-2011, 09:38 PM   #10
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This may sound crazy, but our generator does the same thing if you don't leave the gas cap loose. Found it by trial and error. Have not had a problem since we have started doing this. Ours would also only do it when traveling. It would run forever if the coach motor wasn't running.
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Old 07-31-2011, 08:12 AM   #11
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We are headed out this week on a 5 hour trip and will have to keep an eye on it. Thanks for all your input.
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Old 07-31-2011, 01:11 PM   #12
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Quote:
Originally Posted by Stump Jumper View Post
This may sound crazy, but our generator does the same thing if you don't leave the gas cap loose. Found it by trial and error. Have not had a problem since we have started doing this. Ours would also only do it when traveling. It would run forever if the coach motor wasn't running.
I mentioned the possibility in another thread. I had noticed when I moved the RV in the yard and went around it while it was running, I could hear the cap trying to suck in air. This recent trip on the way home where it ran 8+ hours, I distinctly remember stopping for fuel (leaving everything running) and no noise from cap or when I opened it. Strange......
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Old 08-03-2011, 01:24 AM   #13
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Quote:
Originally Posted by taboky View Post
I had/have the problem. It would run all day in the yard, but driving to PA last week, it cut off a few times, sometime after a few hours, sometimes after 20 minutes. Always while moving. I get a code 36, which is a shutdown with out a command to shut down. Like running out of gas or losing 12v. Coming home today, it ran the whole trip, 8 hours. So, I may or may not have the problem.....
I have the same problem. In my case the problem only happens when I'm moving and running both roof a/c units. If I'm only running one I don't seem to have the problem. Mine is a gas Onan 5500.
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Old 08-03-2011, 04:36 PM   #14
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Quote:
Originally Posted by troyrice76 View Post
Has anybody heard this before? Took the new MH for a shakedown run and the generator cut off a few times. Called the dealer and dropped it off on Monday. The Onan tech came out and ran it for two hours with no issues and could not find anything wrong with the unit. I was told that where the generator is located behind the motor that on extremely hot days the heat from the engine and coming up from the road could vapor lock the generator and it would cut off. It should restart but this is a design flaw from Fleetwood. Do other people have this problem??
Have you checked the gas filter on the Gen set if it is gas?
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