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09-26-2021, 10:58 AM
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#1
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Established Member
Join Date: Nov 2018
Location: Krotz Springs
Posts: 11
M.O.C. #23037
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170 volts
Yesterday I was preparing for our rifts dry camping trip with our 2018 375 FL High Country. I pulled the camper out of the shed, washed it, flushed fresh ware tank, etc. While it was out, I plugged it in to a Honda EU 3000, using the 30 amp 3 prong twist plug to 50 amp dog bone adapter. This adapter also has a 20 amp plug, which I did also have plugged into the generator. It is supposed to help at a campground when you have 30 amp and 20 separate circuits to run from. I realize this was no help from the generator, but regardless, it was plugged in. With one air conditioner, everything worked perfectly. Backed back in the camper shed and plugged to shore power, and my ac digital volt meters were showing 170 volts. Been plugged in to this 50 amp shore power for over 3 years. I’m sure I fried something, just don’t know where to start looking or what I did wrong. Is there a reset or something like that in this model?
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09-26-2021, 12:12 PM
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#2
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Montana Master
Join Date: Oct 2006
Location: McKinney
Posts: 7,159
M.O.C. #6433
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I assume you are talking about one of the Y adapters, 50 to 30 and 20. Can’t see any reason that would be a problem, voltage wise, on the generator. Did you check the voltages at your 50 amp shore power receptacle?
And by the way, the Y adapter will not work if the campground 20 amp receptacle is a GFCI outlet.
__________________
Bill & Patricia
Riley, our Golden
2007 3075RL (recently sold, currently without)
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09-26-2021, 12:51 PM
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#3
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Montana Master
Join Date: Aug 2018
Location: Minden - NV
Posts: 501
M.O.C. #22360
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Change the batteries in the voltmeter and check again. I have a cheap Craftsman voltmeter that reads way off when the batteries are weak.
__________________
2013 F350 Lariat Ultimate CC LB
2019 3790RD
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09-26-2021, 01:18 PM
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#4
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Established Member
Join Date: Nov 2018
Location: Krotz Springs
Posts: 11
M.O.C. #23037
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Checked voltage with two meters. 50 amp shore power is good. Shut everything off for about an hour, plugged back in to 50 amp shore power and everything was fine. Had both ac’s running and refrigerator. After about an hour, everything shut down and had 170 volts to receptacles inside. Had 128 before shut down
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09-26-2021, 02:00 PM
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#5
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Montana Master
Join Date: Oct 2006
Location: McKinney
Posts: 7,159
M.O.C. #6433
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My first thought is that you have a bad neutral connection somewhere. Neutral making good contact and all is good. Loss of neutral and voltages on hot legs in the trailer go up or down depending on loads on each leg. That situation creates a basic voltage divider for the 240 circuit with respect to the loose neutral.
__________________
Bill & Patricia
Riley, our Golden
2007 3075RL (recently sold, currently without)
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09-27-2021, 07:56 AM
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#6
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Established Member
Join Date: Nov 2018
Location: Krotz Springs
Posts: 11
M.O.C. #23037
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Thanks for the replies. I decided to haul it back to the dealer yesterday afternoon, and he got to it this morning. It was a bad neutral connection at the plug at the back of the rv. He did say that it cooked the fireplace, which I don't understand since I never turned it on. Regardless, I guess we are lucky that is all that got fried. Thanks again for the help.
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09-27-2021, 08:42 AM
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#7
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Montana Master
Join Date: Dec 2009
Location: Sebring
Posts: 3,657
M.O.C. #9969
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Your situation is where a Hard Wired EMS can save your butt. I know lots prefer the portables, but in your case wouldn't have helped. I went hard wired so it's one less thing to worry about when breaking camp.
__________________
Michelle & Ann
2018 Chevy 3500HD High Country DRW 4X4 Crew Cab w/Duramax/Allison, Formally 2010 Montana 2955RL, Now Loaded 2016 SOB, Mor/ryde IS, Disc Brakes & Pin Box, Comfort Ride Hitch, Sailun 17.5 Tires.
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09-27-2021, 06:48 PM
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#8
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Montana Master
Join Date: Oct 2006
Location: McKinney
Posts: 7,159
M.O.C. #6433
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Quote:
Originally Posted by rleblanc
…. … He did say that it cooked the fireplace, which I don't understand since I never turned it on. Regardless, I guess we are lucky that is all that got fried…. .. .
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Many things with electronic controls have constant power to the controls even when they are not “on”.
Since there was 170 volts on one hot leg, the other hot leg would have only had 70 volts. (170 + 70 = 240). May be that the fireplace as the only thing on the 170 volt leg that was energized.
__________________
Bill & Patricia
Riley, our Golden
2007 3075RL (recently sold, currently without)
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