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Old 04-12-2015, 01:59 PM   #1
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Generator keeps turning off when driving. help

We have a 2015 HR vacationer that we just purchased.

When we are traveling the generator keeps turning off. And sometimes it takes a while to come on. Refreagator is all that is on and running.

We are new to rving.the back gets very hot,
Also the dealer told use not to run the front AC since it uses more gas.

So between listening to the dealer, we feel like the marshmallow With no front air or back so times.

Would appericate any help.
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Old 04-12-2015, 02:16 PM   #2
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What happens when the generator shuts down? What are the driving conditions like? What brand/size of generator?
As far as running the generator while driving, we have and do run the generator while driving. Will the MH use more fuel, yes but that is to be expected. I would much rather be comfortable and fuel up a little more often.
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Old 04-12-2015, 02:17 PM   #3
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If you need the AC, ignore what the dealer is telling you. Of course you're going to burn more gas if the engine is also running the AC.

Is the fridge a residential electric model? On an inverter? If so, you don't need to be running the generator as the engine alternator should provide enough power to keep the batteries charged.

If you're running the generator to run the coach AC units (not just the engine dash air), then you'll need to figure out why it's shutting down. Maybe there's not enough load on it (no AC running)?
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Old 04-12-2015, 02:17 PM   #4
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Are you running with low fuel? some gens will not run when the main fuel tank gets too low. Maybe ? hope this helps. mark
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Old 04-12-2015, 02:18 PM   #5
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Quote:
Originally Posted by saronagrl View Post
We have a 2015 HR vacationer that we just purchased.

When we are traveling the generator keeps turning off. And sometimes it takes a while to come on. Refreagator is all that is on and running.

We are new to rving.the back gets very hot,
Also the dealer told use not to run the front AC since it uses more gas.

So between listening to the dealer, we feel like the marshmallow With no front air or back so times.

Would appericate any help.
You'll need to tell us more.

1) Is this gas vs diesel?
2) Give us a lot more info on the generator ... gas? Manufacturer? Does it start easily? More details about when it shuts off ... any indicators? Why specifically are you running it? for the refrig? for the roof A/C?

and a quick comment about the A/C ... I assume you mean engine powered when you say "front". I run mine all the time ... yes the mileage drops by maybe 1/2 mpg. I didn't buy my RV for it's gas mileage ... I want to have fun and be comfortable.

and, as another has commented, my generator automatically shuts off at "about" 1/4 tank of fuel remaining.
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Old 04-12-2015, 02:21 PM   #6
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First off, the dealership may not be your best resource. The Monaco section of this forum, Monaco Owner's Forum - iRV2 Forums is a good place to start. I don't see that the advice you have received so far has been useful.

What model generator is installed in your unit? One quick question, is your gas tank over 1/3 full? Units have a safety system to ensure the generator won't deplete your units fuel supply.

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Old 04-12-2015, 02:36 PM   #7
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Many generators can show you an error code when they shut down. Check owner's manual for instructions or download from maker's website.
How big is the front A/C, back A/C? Yes, you'll use a bit more fuel running both or the bigger of the two, but compare cost of the A/Cs and your comfort, a little more fuel might be worth it. (Same as using A/C at home)
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Old 04-12-2015, 02:41 PM   #8
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I had a problem with my Onan generator shutting off while traveling. I had plenty of fuel, so that was not the problem. At an RV show, I spoke to an Onan representative and he told me that it probably was the oil level switch shutting off the generator. He told me to add oil up to the maximum level shown on the dip stick. Never had a problem with the generator shutting off after that.
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Old 04-12-2015, 02:41 PM   #9
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When you say the dealer says not to run the "front" a/c, do you mean a front ceiling unit or the dash air? You should be able to run the dash air with no problem as the generator does not power that unit.
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Old 04-12-2015, 02:51 PM   #10
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When you say the dealer says not to run the "front" a/c, do you mean a front ceiling unit or the dash air? You should be able to run the dash air with no problem as the generator does not power that unit.
But the dash air does rob the engine of some power, so it does use fuel. Hardly noticeable in an RV, but it does use fuel.
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Old 04-12-2015, 04:01 PM   #11
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Get it fixed while u have warranty. Also google the model number of your genset whatever it is and see if others have your problem.

It seems the dealer doesnt want to screw around with it.
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Old 04-12-2015, 04:19 PM   #12
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Quick question...where is the generator located? Behind the front left wheel? Or further back?
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Old 04-12-2015, 05:02 PM   #13
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Do you have a Automatic Generator Start?
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Old 04-12-2015, 05:33 PM   #14
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First: Fuel tank has to be MORE THAN 1/4 full.. In fact go for more than 1/3 to b safe.

Second.. I have seen it where a Gas rig the fuel cap was not properly vented (They make both vented and non-vented caps and the wrong one was installed) With JUST the generator..No problem With JUST the main enging.. likewise but the two of them together.....the tank built up a vacuum that was stronger than the generator's fuel pump.
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