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08-03-2020, 07:56 PM
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#1
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1 Rivet Member
2012 30' Classic
Babylon
, NY
Join Date: Aug 2017
Posts: 11
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Hot water not running on electric
Runs on gas fine, but will not run on electric. Any ideas why?
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08-04-2020, 03:39 AM
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#2
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Rivet Master
2012 25' FB International
Trent Woods
, North Carolina
Join Date: May 2013
Posts: 3,120
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Holy cow, that is an open ended question. First, I would suggest that if you need to ask the question you should probably take the trailer to a service facility that can do some troubleshooting and repairs, or a mobile service.
The quick check is to check the AC breaker for the water heater. If it is not tripped you could still have a wiring problem to the heating element. It could be a burned out heating element. You could also have a control board problem. That board is located in the compartment that you access from outside, but there is nothing you can do there except replace the board. There is also a relay component in the AC circuit wiring.
In short, it could be a number of things.
Larry
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08-04-2020, 06:19 AM
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#3
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4 Rivet Member
2013 25' Flying Cloud
Crystal River
, Florida
Join Date: Jul 2006
Posts: 474
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Is it a gas only hot water heater? Mines a gas only and I've never been able to get it to work on 110v no matter what I do.
__________________
“While you live, shine / Have no grief at all / Life exists only for a short while / And time demands its toll.”
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08-04-2020, 08:29 AM
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#5
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Rivet Master
1988 25' Excella
1987 32' Excella
Knoxville
, Tennessee
Join Date: Oct 2010
Posts: 5,095
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If it has been working fine and it is not now my guess would be a bad heating element or the breaker, or.......
I run my water heater on gas all the time even though it has the electric element. So it would not bother me much.
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08-04-2020, 08:34 AM
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#6
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Site Team
2007 30' Classic S/O
Somewhere
, South Carolina
Join Date: Apr 2010
Posts: 6,436
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Quote:
Originally Posted by kebrita
Runs on gas fine, but will not run on electric. Any ideas why?
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Are you able to use a meter and follow diagnostic troubleshooting?
Can you provide the model number of the water heater? That allows folks to research wiring diagrams etc.
Checked circuit breaker for water heater?
Gary
__________________
S/OS #001 2005 Dodge Ram 2500 5.9L 6 Speed
16" Michelins, Hi Spec Wheels, Max Brake, Dexter 4 Piston Disc Brakes, Carslile Actuator, Equal-I-Zer, Dill TPMS. Campfire cook. BMV-712. DEMCO 21K Lb Cast Iron coupler
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08-05-2020, 08:17 PM
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#7
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1 Rivet Member
2012 30' Classic
Babylon
, NY
Join Date: Aug 2017
Posts: 11
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hot water heater
Thank you all for the feedback. I did check the breaker and have eliminated that. I have owned the unit for a couple of years and the hot water heater has always run fine on gas but the electric has been spotty at best. We are heading out for our first long trip out west and it would be nice to have both the electric and gas operating. Thank you all, i will follow up with your suggestions starting with the model #.
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08-05-2020, 08:25 PM
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#8
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4 Rivet Member
2021 19' Bambi
San Francisco
, California
Join Date: Apr 2019
Posts: 410
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Maybe it’s a 2021 model....burn
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08-05-2020, 11:03 PM
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#9
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Rivet Master
2021 33FB Classic
2019 30' Flying Cloud
Katy
, Texas
Join Date: Apr 2017
Posts: 788
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I recently had this same problem and fixed it by replacing the electrical heating element.
Diagnosis:
(1) Heats on gas, but not on electric, so it's not a plumbing problem.
(2) Turn on electric hot water and measure voltage across heating element. I got something close to 120Vac, so I know all the electronics are working correctly.
(3) Replaced heating element. I think I spent about $6 at Home Depot...but the tool to remove/replace the element cost me $10!
(4) Everything now works as designed.
Potential Red Herring: I measured continuity across the heating element, and it appeared to be in good shape. I am guessing I had a bad/damaged heating element that was intact when cold and would lose continuity when heated up. So don't rely on resistance measurements to diagnose electrical heating element troubles.
__________________
2021 Classic 33
2020 GMC 3500HD Duramax AT4
ProPride 3P
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08-06-2020, 06:36 AM
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#10
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1 Rivet Member
2012 30' Classic
Babylon
, NY
Join Date: Aug 2017
Posts: 11
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hot water heater
jay, Thank you for the detailed process, I will definitely follow your process. I will let you know how i make out.
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