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Old 05-16-2021, 09:44 PM   #1
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Brand: Thor Motor Coach
State: Georgia
Posts: 74
THOR #3340
No shore power

I lost shore power this morning. Reset the GCFI in the bathroom and it worked, traveled with the generator. Just tried to plug back in to shore power and it doesnít work again and resetting the GCFI in the bathroom doesnít seem to do the trick this time. Help please weíre in the middle of the Sandhills of West Texas and itís hot. (Generator keeping us cool for now)

Thor Axis 2014
24.1

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Old 05-16-2021, 10:28 PM   #2
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Model: Newmar Bay Star Sport 300
State: Alabama
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THOR #6826
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Originally Posted by sueasher1@netzero.net View Post
I lost shore power this morning. Reset the GCFI in the bathroom and it worked, traveled with the generator. Just tried to plug back in to shore power and it doesnít work again and resetting the GCFI in the bathroom doesnít seem to do the trick this time. Help please weíre in the middle of the Sandhills of West Texas and itís hot. (Generator keeping us cool for now)



Thor Axis 2014

24.1


Last time I was in Texas (February) it was 14 degrees and the power was out everywhere! TEXAS! Assuming your power cord is not damaged thereís only a few likely culprits. If you have a surge protector try plugging in without it. If not take a look at the automatic transfer switch. Itíll be a rectangular box at the coach end of the shore power cord. If youíre comfortable with this sort of work and WITH THE SHORE POWER CORD DISCONNECTED AND THE GENERATOR OFF remove the cover and check that all of the connections are tight and that nothing looks damaged or burned. Everything downstream of the ATS obviously is ok since it works on the generator and that device is where the two systems come together. Itís almost certainly the culprit. If youíre not comfortable with electrical work a mobile tech probably is in order. Good luck.
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Old 05-16-2021, 11:01 PM   #3
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Brand: Thor Motor Coach
Model: ACE 27.1
State: Florida
Posts: 7,502
THOR #7035
The GFCI doesn't have anything to do with SP - it only controls a single string of outlets - so resetting it was pure coincidence (or the vibrations "fixed" the ATS wired connection).

As Pete said, it's probably in the ATS wirenut connections - a known Thor problem area.
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