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09-03-2019, 10:22 AM
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#1
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Member
Join Date: Jul 2010
Location: Owensboro KY
Posts: 57
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Eagle HT 28.5 RSTS Electrical problem
Having a problem with the part of my circuits. Plugged in at home in a 30 amp circuit through a Progressive EMS which show both legs are fine. In my trailer, this morning as I am packing up to head out tomorrow, I find that the circuits for all the outlets, microwave, fireplace, TV, GFCI, are dead. Lights, refrigerator, range hood, etc work fine. Checked the coach breaker and they are not tripped.
Any ideas?
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09-03-2019, 10:26 AM
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#2
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Senior Member
Join Date: Nov 2011
Location: Where ever the boss says we're going.
Posts: 16,109
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You're only running on 12V(battery) so sounds like the main is tripped. Did you reset (off & on)?
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 DISNEY LOVERS
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09-03-2019, 10:29 AM
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#3
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Senior Member
Join Date: Oct 2016
Location: Saint Thomas, PA
Posts: 2,234
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Did everything work before on your home circuit? You say both legs are ok? 30A only has one leg. 50A has two legs. Did you loose your netural?
Earl
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2017 Eagle 293RKDS, factory ordered, lots of mods and upgrades. More than I can list.
2018 Ram 3500 crew cab long bed SRW diesel 6spd Aisin 4wd Tradesman.
B&W Ram puck 5th wheel
Line-X premium
Mopar wheel to wheel steps
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09-03-2019, 10:33 AM
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#4
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Senior Member
Join Date: Jul 2019
Location: Peachtree City
Posts: 250
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Sounds like only outlet based devices are dead. Check the GFCI outlets; they may have tripped overnight.
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James & Tricia
2020 Eagle 321RSTS
2006 F250 CC SB Lariat FX4
Dealerproofed by Powerstroke Specialties
Air Lift Loadlifter 5000 Airbags | Blue Ox Super Ride hitch
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09-03-2019, 10:50 AM
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#5
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Member
Join Date: Jul 2010
Location: Owensboro KY
Posts: 57
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Resolved
Found the cause. Removed the Progressive EMS from the circuit and the problem went away. Will see if it is the EMS.
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09-03-2019, 10:53 AM
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#6
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Senior Member
Join Date: Oct 2016
Location: Saint Thomas, PA
Posts: 2,234
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Quote:
Originally Posted by RSGentry
Found the cause. Removed the Progressive EMS from the circuit and the problem went away. Will see if it is the EMS.
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The ems could be protecting your unit from something wrong. Low or high voltage. Open ground or such. Better make sure the ems has an issue and not your circuit.
Earl
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09-04-2019, 07:17 AM
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#7
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Senior Member
Join Date: Feb 2011
Location: Gilmer, Texas
Posts: 1,053
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From my understanding from reading other threads, a 50 amp EMS will shut down the electricity when plugged into 30 amps , it sees a problem.
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S.A.Young
2011 321RLTS
2012 Chevy duramax dually
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09-04-2019, 07:54 AM
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#8
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Senior Member
Join Date: Aug 2017
Location: Kingston
Posts: 1,210
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Quote:
Originally Posted by poohbear
From my understanding from reading other threads, a 50 amp EMS will shut down the electricity when plugged into 30 amps , it sees a problem.
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I have used my 50amp EMS when plugged into a 20amp circuit, using the proper dog-bone reducers. My son's house only has 20amp service outside.
No problem....
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Don & Donna Stout
E-9 Anchor Clanker
Full timers since 2010
2017 North Point 381 DLQS
2015 F-250 6.7 w/Timbrens
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09-04-2019, 08:45 AM
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#9
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Senior Member
Join Date: Apr 2018
Location: Natalbany Creek Campground, Amite City, LA
Posts: 3,244
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Quote:
Originally Posted by DonaandDon
I have used my 50amp EMS when plugged into a 20amp circuit, using the proper dog-bone reducers. My son's house only has 20amp service outside. No problem.... |
x2
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AL & JANET KRUEBBE
2019 PINNACLE 37RLWS
2018 NORTH POINT 315RLTS (TRADED)
2017 RAM 3500 DRW DIESEL/AISIN 4.10 AIR BAGS
B&W COMPANION TURN OVER BALL HITCH
Formerly from Sequim, WA
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09-04-2019, 08:53 AM
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#10
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Senior Member
Join Date: Jan 2015
Location: Surprise
Posts: 2,623
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If your RV has a 50 amp plug and you plug into a 30 amp receptacle you will only have about half of your circuits operating. The 30 amp is a single 120 volt line rather than the 50 amp which is 2 120 volt lines. The 30 amp will only power a single line in your circuit panel. Yes one AC and some outlets will not be powered when on a 30 amp circuit.
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2011 Toyota Tundra double cab
2015 27RLS
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09-04-2019, 09:16 AM
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#11
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Senior Member
Join Date: Oct 2016
Location: Saint Thomas, PA
Posts: 2,234
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Quote:
Originally Posted by wags999
If your RV has a 50 amp plug and you plug into a 30 amp receptacle you will only have about half of your circuits operating. The 30 amp is a single 120 volt line rather than the 50 amp which is 2 120 volt lines. The 30 amp will only power a single line in your circuit panel. Yes one AC and some outlets will not be powered when on a 30 amp circuit.
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Not when using an RV 30A to 50A adaptor. Even the 15/20A to 30A will. So you can use your 50A at reduced current on 15, 20 or 30 amp circuits just fine. It will power both legs with 120V. Done it many of times. My hardwired EMS has no issue with it either.
Earl
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09-04-2019, 09:17 AM
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#12
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Senior Member
Join Date: Oct 2016
Location: Saint Thomas, PA
Posts: 2,234
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Quote:
Originally Posted by DonaandDon
I have used my 50amp EMS when plugged into a 20amp circuit, using the proper dog-bone reducers. My son's house only has 20amp service outside.
No problem....
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X3
Earl
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06-06-2022, 11:05 AM
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#13
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Junior Member
Join Date: Jun 2021
Location: Fairfield
Posts: 3
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I am having the same problem I have traced and tested the wis from the plug to the end box I have 120 on both legs at the plug and 240 on both legs when it gets to the end box
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06-06-2022, 01:50 PM
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#14
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Senior Member
Join Date: Jan 2019
Location: Cincinnati
Posts: 1,186
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I have 50 amp wiring, and added a progressive EMS. Everything works fine with both our 30 amp and 20 amp adapters. We just can't turn as much stuff on, or the voltage drop will cause the EMS to kill the power temporarily. It's doing what it's paid to do.
It's a major drop in power when you use an adapter. With 50 amp connection you get 50 amps on each of 2 legs- total 100 amps. With 30 or 20, you get 30 or 20 TOTAL amps SHARED by both legs.
At home it's plugged into a 15 amp long extension cord. Wouldn't even think of using a/c, microwave, or water heater on that cord. It's just there for 12v converter and small 120 stuff that we might plug in.
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 Ford F250 6.2 Gas, 4X4, Short Bed, Companion Hitch
2019 Jayco 28.5 RSTS, MorRyde orbital pinbox.
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