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Old 09-07-2016, 01:11 PM   #1
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Any other Forester MBS 2401 W owners experience intermittent electrical cutoff while h

Hi all -

We are having a great time on our 2nd short outing in our new RV, and have really appreciated all the advice that comes from this forum as we learn our way through this world! This trip, we are hooked up to a 30-amp circuit at the campground, and power seems to intermittently cut off - not sure why. At first we thought it was loose fuses in our control ("convenience") center, since power came back after we jiggled them around. This second time, no amount of jiggling fuses could bring it back - however, after noticing the campground breaker had been tripped, we turned it off, then on, and - in about 30 seconds- the power mosies its way back on again. Is something we are doing tripping the campground power? Is there something awry with our fuses, or other RV electrical system?

Discuss ... Thanks!

Kelly




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Old 09-07-2016, 03:14 PM   #2
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What appliances were on? AC? 30A should be enough for all appliances.
We had this problem at a campground where there is either 20A or 50A. We used 20A and it popped several times when AC was on. Finally we had to borrow an adapter and used 50A, no more problems.
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Old 09-07-2016, 03:32 PM   #3
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Thanks, HomeOnWheels. We had the lights, water heater, AC, and outdoor fan on, plugged into the 30 amp outlet. Campground has 20, 30, and 50 amp options. That's a good idea though to use 50 Amp adapter - too bad we don't have one with us this trip! Now on to another pesky problem to get advice on ... Different topic, so different post. Ah, the joys of learning.


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Old 09-07-2016, 03:35 PM   #4
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We can usually handle that load unless Microwave on as well. If pops again check campground voltage.
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Old 09-07-2016, 03:36 PM   #5
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Thanks, RichM.


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Old 09-07-2016, 03:44 PM   #6
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See if you can borrow an adapter from camp host
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Old 09-07-2016, 03:50 PM   #7
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One other thought, if the power came on by itself after 30 seconds. That sounds suspiciously like the built in delay in the transfer switch for generator start ( implies shore and genny reversed). That could be a a cause if all else checks out. Just guessing?
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Old 09-07-2016, 04:08 PM   #8
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Hmmmm .... Will get that checked out when we get back, RichM. Thanks.


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Old 09-09-2016, 05:15 PM   #9
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Good catch

Check out this similar post for reversed wiring at the transfer switch -

AC on Propane Generator vs Electric

If the same production line worker wired up multiple transfer switches this way (and lacking a QC inspector for this step), it is certainly possible that more than one MBS left the factory wired incorrectly.

One possible quick check would be to fire up the generator and see if it powers the coach (after the 30 second delay). I would suggest you do this only after unplugging the shore cord and disconnecting it from the pedestal and MH. If you get no AC power from the generator, then Rich is dead on with his troubleshooting tip.
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