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07-02-2018, 09:48 PM
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#1
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Montana Fan
Join Date: Dec 2015
Location: Sanford
Posts: 114
M.O.C. #18136
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Electrical Problems
I have a 2010, RL3400. Yesterday the circuit for the air conditioner tripped.
I reset it and it seems to be OK. Today, the circuit for the bedroom lights tripped. Again, I set it and it appears to be OK. This has never happened before. I have a 50 AMP, Progressive surge protector so I doubt a surge would have caused it.
Does anyone have any ideas why this is happening?
Neverhome
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07-03-2018, 06:35 AM
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#2
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Montana Master
Join Date: Feb 2012
Location: Lake Gaston
Posts: 8,773
M.O.C. #12156
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Breakers trip generally because current exceeds breaker capacity. I would try moving some devices to different circuits, maybe you used a hairdryer, ran the MW, etc. and the breaker tripped. Make sure breaker wiring is tight.
__________________
Mike and Lorraine
2002 3655 FL, 2005 3650RK
2010 3665RE, 2015 3910FB
F350 crew cab dually 6.7
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07-03-2018, 08:17 AM
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#3
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Montana Master
Join Date: Oct 2006
Location: McKinney
Posts: 7,160
M.O.C. #6433
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Breakers sometimes start getting weak. The breaker for our rear A/C starting tripping occasionally several years ago for no obvious reason. Replaced it and it never tripped again.
Also, as Mike said, check all your wire connections. Loose wire connections can cause heating leading to a breaker heating up.
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Bill & Patricia
Riley, our Golden
2007 3075RL (recently sold, currently without)
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07-03-2018, 11:58 AM
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#4
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Montana Fan
Join Date: Dec 2015
Location: Sanford
Posts: 114
M.O.C. #18136
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Breakers were not overloaded. With the bedroom lights, nothing else electrical was in use except the fridge. I came back after a day out and it was off. With the AC, the only other item on that breaker was the electric water heater. I suppose the heater could have kicked on with the AC, but it had never happened before. The breakers could be getting old but my concern is why two different breakers on two different days? A loose connection is a possibility but we are seasonal and have been set up now since May so there is not jarring from travel. Would the converter cause this if it was starting to go?
Thanks for the replys.
Neverhome
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07-03-2018, 12:06 PM
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#5
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Montana Master
Join Date: Oct 2017
Location: Bee Branch
Posts: 2,620
M.O.C. #20693
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You might want to check your cord and the plugs on the box as well. A lot of “gremlin” issues start there.
Also you might look around for evidence of mice chewing wires. Those evil gremlins cause more than their share of aggravation’s!
__________________
James & Irene Wilson
Bee Branch, AR.
2017 Ram 1 ton diesel duallyCrew Cab/Long Bed
2018 Montana High Country 381TH Garage Full of Toys
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07-03-2018, 01:55 PM
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#6
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Montana Master
Join Date: Sep 2014
Location: Full Timer In Naples, Florida
Posts: 1,049
M.O.C. #15731
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Check in your basemant area for evidence of mice chewing on the cables.
__________________
2017, 3500 Ram Big Horn, 4x4, Crew Cab, DRW, Aisin Transmission, 4:10. Curt Q20, 2014 Mountaineer 331 RLT, Sailun's on the rv and truck.
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07-03-2018, 02:29 PM
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#7
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Montana Fan
Join Date: Jun 2015
Location: owen sound
Posts: 491
M.O.C. #17566
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The electric in the Hot water heater draws considerable current and I've had the same issues while on 50amp. Trying to run the hot water heater and an AC usually trips a breaker, not usually the one in the trailer but instead the park breaker... Just sayin....
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07-03-2018, 03:03 PM
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#8
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Montana Master
Join Date: Oct 2017
Location: Bee Branch
Posts: 2,620
M.O.C. #20693
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Quote:
Originally Posted by speedster100
The electric in the Hot water heater draws considerable current and I've had the same issues while on 50amp. Trying to run the hot water heater and an AC usually trips a breaker, not usually the one in the trailer but instead the park breaker... Just sayin....
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Good point. I often forget about the water heater being electric......
__________________
James & Irene Wilson
Bee Branch, AR.
2017 Ram 1 ton diesel duallyCrew Cab/Long Bed
2018 Montana High Country 381TH Garage Full of Toys
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07-04-2018, 06:47 AM
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#9
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Montana Master
Join Date: May 2011
Location: Hixson
Posts: 3,436
M.O.C. #11397
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Lights to include bedroom lights are 12v and are on fuses not breakers.
__________________
2018.5 Montana 3791RD
Full Timers 9/1/2010 through 1/16/2020.
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07-04-2018, 08:14 AM
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#10
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Montana Master
Join Date: Sep 2013
Location: Pensacola (mail forward service)
Posts: 3,198
M.O.C. #13740
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Have you ever taken the covers off of the ac units to clean all the dust, pollen, etc out of the condenser? That would cause it to draw more than normal. Water heater on electric draws 12 amps of 120vac. Breakers are bi-metallic devices that self heat with current passing through them and trip when they get to the rated temperature of the metals. If it is hot outside, warm inside, breakers lose functionality over time, and you haven't cleaned the ac's as required, and that water heater element is coated with calcium...then more power will be consumed.
__________________
2012 F350 6.7 L dually, 2013 3800RE with 6 pt leveling, Sumitomo 17.5" load range h tires, Samsung 18 cu ft residential fridge, 8k Morryde I.S. with disc brakes. Full timing since 2012.
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07-04-2018, 08:21 AM
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#11
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Montana Fan
Join Date: Dec 2015
Location: Sanford
Posts: 114
M.O.C. #18136
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I should have been more specific on the bedroom lights. The ones affected were the vanity lights over the sink which are on AC, not 12 volt.
The air conditioner ducts were cleaned prior to the problem. It appears it was a loose connection at the power pole.
Thanks to all for the valuable input.
Neverhome
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07-04-2018, 10:33 AM
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#12
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Montana Master
Join Date: Oct 2017
Location: Bee Branch
Posts: 2,620
M.O.C. #20693
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Quote:
Originally Posted by Neverhome
I should have been more specific on the bedroom lights. The ones affected were the vanity lights over the sink which are on AC, not 12 volt.
The air conditioner ducts were cleaned prior to the problem. It appears it was a loose connection at the power pole.
Thanks to all for the valuable input.
Neverhome
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Well I got one right
__________________
James & Irene Wilson
Bee Branch, AR.
2017 Ram 1 ton diesel duallyCrew Cab/Long Bed
2018 Montana High Country 381TH Garage Full of Toys
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07-04-2018, 04:16 PM
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#13
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Montana Master
Join Date: May 2017
Location: new caney
Posts: 1,050
M.O.C. #19873
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Quote:
Originally Posted by mtlakejim
Well I got one right
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Miracles never cease
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07-11-2018, 07:00 PM
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#14
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Seasoned Camper
Join Date: Jan 2007
Location: Wichita
Posts: 78
M.O.C. #6712
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Last year I had similar problems with my 2007 Monty - it was suggested to pull the shore power, and using insulated screw drivers, to check all the 110vac electrical connections for looseness in the breaker box. No more tripping-breakers after that.
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07-30-2018, 06:32 PM
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#15
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Established Member
Join Date: Aug 2015
Location: MATHER
Posts: 12
M.O.C. #17811
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We bought our 2016 Montana High Country 5th wheel about 2 years ago and have had many service appointments. This post however is only about our latest problem. We were at Jackson Rancheria RV park Tuesday thru Friday. Temps were well over 100 every day so we had both a/c units running all day. On Wednesday the 50 amp main breaker started snapping off. After a couple of times we turned off one a/c unit. By Thursday even one a/c running would trip the main. Then we started to notice a burning smell from the breaker and the next time it tripped it would not reset, so we were without any a/c in 104 degrees. Since we couldn't see any melted wires in the breaker box we figured the main breaker itself had failed. The dealer service mgr. replaced it and we hooked up to their power to test it. Everything worked great! Then he looked more closely at the breakers and noticed that both a/c units were wired to only one side of the 2 pole main breaker instead of one on each side. We have no washer/dryer so he switched the wires so that each a/c unit worked off only one side of the main breaker. He was glad he noticed it or we might have been back again with another burned out main breaker. So you might want to check your breaker box for this manufacturer error.
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07-31-2018, 07:54 AM
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#16
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Montana Master
Join Date: Oct 2006
Location: McKinney
Posts: 7,160
M.O.C. #6433
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Both A/C units on the same pole, in itself, is not a problem as long as other high current devices (water heater, microwave, converter, etc) are on the other pole. The A/C units would pull around 30 amps total. But sounds like your loads were not well distributed.
__________________
Bill & Patricia
Riley, our Golden
2007 3075RL (recently sold, currently without)
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