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01-10-2023, 06:43 PM
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#1
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Senior Member
Join Date: Feb 2021
Location: Des Moines
Posts: 149
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No Electric Hot Water
2021 Montana. Gas works fine. I am pretty sure electric not turned on without water.
Searched but cannot find thread to troubleshoot electric hot water fail. Can someone provide a thread please.
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2021 Keystone Montana High Country 383th
2021 Ram 3500 long bed
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01-10-2023, 07:11 PM
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#2
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Site Team
Join Date: Jul 2014
Location: Modesto
Posts: 20,313
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Brand/model of water heater?
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2012 Copper Canyon 273FWRET being towed by a 1994 Ford F350 CC,LB,Dually diesel.
Airlift 5000 bags, Prodigy brake control, 5 gauges on the pillar.Used to tow a '97 Jayco 323RKS.
Now an RVIA registered tech. Retired from Law enforcement in 2008 after 25+ yrs.
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01-10-2023, 07:36 PM
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#3
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Senior Member
Join Date: Feb 2021
Location: Des Moines
Posts: 149
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Quote:
Originally Posted by chuckster57
Brand/model of water heater?
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Has anode so suburban and 12 gallon.
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2021 Keystone Montana High Country 383th
2021 Ram 3500 long bed
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01-10-2023, 07:50 PM
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#4
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Site Team
Join Date: Jul 2014
Location: Modesto
Posts: 20,313
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Ok. Suburban will have the rocker switch on the outside lower left corner. They fail, not often but it’s the first thing I would check.
You can take the oval cover off to access the heating element. Test for 120VAC. If you have voltage. If you do, then make sure voltage is OFF, take the leads off the element and test across the connections for resistance. If you have infinite then the element is no good.
You can get a new one at your local big box hardware store, just have to know the thread size and wattage. Should be like 1350 watts and it takes a 1 1/2” thin wall socket. You can get the socket when you get the element.
__________________
2012 Copper Canyon 273FWRET being towed by a 1994 Ford F350 CC,LB,Dually diesel.
Airlift 5000 bags, Prodigy brake control, 5 gauges on the pillar.Used to tow a '97 Jayco 323RKS.
Now an RVIA registered tech. Retired from Law enforcement in 2008 after 25+ yrs.
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01-10-2023, 08:03 PM
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#5
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Site Team
Join Date: Feb 2014
Location: W. Texas
Posts: 17,660
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If like mine you have a switch in the control panel (I do not have In Command) you activate. That switch pulls a relay mounted on the back side of the exterior panel of the heater. 120vac is wired to that relay then to the on/off switch (mounted upside down) on the lower left of the inside of the heater. Look at the switch closely as it operates "upside down" from normal. It has to be on. At that point 120vac is then sent to the thermostat and on to the heating element.
Make sure the switch is on in the control panel (light comes on) and the rocker switch is turned to "on" on the back of the water heater. If it wasn't turned on without water in the heater and everything is OK it should get hot. If not check that switch. This trailer burned out 3 of them (melted) because they got hot - I could not find a reason they did that. The last one has worked all year. If you find nothing with those things take a meter and find the 120vac. First place to check is the incoming side of that upside down switch.
Edit: Didn't think to mention the breaker for the water heater - make sure it isn't thrown or turned off.
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Danny and Susan, wife of 56 years
2019 Ram 3500 Laramie CC SWB SB 6.4 4x4 4.10
2020 Montana High Country 331RL
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01-13-2023, 10:50 AM
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#6
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Senior Member
Join Date: Feb 2021
Location: Des Moines
Posts: 149
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Finally got to this. Is this the relay that should have 110 on one side? 
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2021 Keystone Montana High Country 383th
2021 Ram 3500 long bed
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01-13-2023, 10:55 AM
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#7
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Senior Member
Join Date: Feb 2021
Location: Des Moines
Posts: 149
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Switch on the heater is good. Off infinity on 1 ohm. Element 10 ohm. Red side is DC/gas as on gas get 14v there nothing on blue side.
Si it appears no AC power getting outside.
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2021 Keystone Montana High Country 383th
2021 Ram 3500 long bed
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01-13-2023, 12:05 PM
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#8
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Site Team
Join Date: Jul 2014
Location: Modesto
Posts: 20,313
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Quote:
Originally Posted by BigBobIa
Finally got to this. Is this the relay that should have 110 on one side? Attachment 42677 |
Those are the thermostats. If the switch is working you should have 120VAC to the left one I believe.
__________________
2012 Copper Canyon 273FWRET being towed by a 1994 Ford F350 CC,LB,Dually diesel.
Airlift 5000 bags, Prodigy brake control, 5 gauges on the pillar.Used to tow a '97 Jayco 323RKS.
Now an RVIA registered tech. Retired from Law enforcement in 2008 after 25+ yrs.
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01-13-2023, 12:10 PM
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#9
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Senior Member
Join Date: Feb 2021
Location: Des Moines
Posts: 149
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No power across the left/blue or either blue to ground.
Question is the frame ground for A/C too? For the DC I get 14v to the water heater body so it is grounded. Just double checking it is also A/C.
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2021 Keystone Montana High Country 383th
2021 Ram 3500 long bed
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01-13-2023, 12:13 PM
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#10
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Site Team
Join Date: Jul 2014
Location: Modesto
Posts: 20,313
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All grounds should be common and to the trailer frame.
You need to get to the backside of the water heater. There will be a black box, the relay is inside of it. Common for one of the connections to come loose.
__________________
2012 Copper Canyon 273FWRET being towed by a 1994 Ford F350 CC,LB,Dually diesel.
Airlift 5000 bags, Prodigy brake control, 5 gauges on the pillar.Used to tow a '97 Jayco 323RKS.
Now an RVIA registered tech. Retired from Law enforcement in 2008 after 25+ yrs.
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01-13-2023, 01:17 PM
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#11
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Site Team
Join Date: Feb 2014
Location: W. Texas
Posts: 17,660
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__________________
Danny and Susan, wife of 56 years
2019 Ram 3500 Laramie CC SWB SB 6.4 4x4 4.10
2020 Montana High Country 331RL
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01-13-2023, 06:57 PM
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#12
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Senior Member
Join Date: Mar 2014
Location: Mountain Home, Idaho
Posts: 3,005
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Here is a couple of more view of the 12:volt remote relay that sends 120 volt AC to the thermostat on the left hand side of the water heater.
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2007 GMC Classic club cab 4x4 Duramax LBZ
2014 Alpine 3010 RE. 34 foot fifth wheel
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01-19-2023, 09:37 AM
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#13
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Junior Member
Join Date: Sep 2022
Location: Plainville
Posts: 21
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Power Plug
FWIW, Camping World, after much troubleshooting, found that either Keystone had never plugged in the A/C power plug on the back side of the water heater (or, it somehow wiggled itself loose)! It either failed on our first trip or never worked at all... we're not even sure! 2021 Cougar 30RLS... 
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01-19-2023, 10:22 AM
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#14
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Senior Member
Join Date: Sep 2019
Location: Florissant
Posts: 697
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That was an easy fix.
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Skids
2019 Bullet 248RKS
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01-19-2023, 01:09 PM
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#15
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Junior Member
Join Date: Sep 2022
Location: Plainville
Posts: 21
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Quote:
Originally Posted by BigBobIa
2021 Montana. Gas works fine. I am pretty sure electric not turned on without water.
Searched but cannot find thread to troubleshoot electric hot water fail. Can someone provide a thread please.
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Bob, does the Montana have the InCommand Control Panel System like my Cougar, that controls just about everything in the camper? That's where I have to turn on my electric hot water element - I have a choice of "Off", "Gas", "Electric" or "Both"! As I said in my last post, Camping World found the main power plug (inside the camper, buried under the bathroom) on the back of the water heater, unplugged... ! Way to ruin a first 8 months with your new rig... it was in and out of the shop three times before they found that (partly because we wouldn't leave it with them for three months!!!)
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04-21-2023, 02:50 PM
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#16
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Junior Member
Join Date: Apr 2023
Location: Boise
Posts: 3
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Thank you. I found that the electric source for the water heater is not plugged-in. I can't see where there is an outlet available. Fortunately I'm still under warrantee and expect this to be remedied. BTW-I plugged this into my house outlet and the water heater worked fine...
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04-21-2023, 03:19 PM
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#17
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Site Team
Join Date: Feb 2014
Location: W. Texas
Posts: 17,660
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Quote:
Originally Posted by JTorj
Thank you. I found that the electric source for the water heater is not plugged-in. I can't see where there is an outlet available. Fortunately I'm still under warrantee and expect this to be remedied. BTW-I plugged this into my house outlet and the water heater worked fine...
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What exactly is the issue with your water heater? You tagged into a thread that is several months old. Your water heater should be hard wired and not plugged into an outlet. What brand of water heater, are the switches for gas/electric turned on etc.?
__________________
Danny and Susan, wife of 56 years
2019 Ram 3500 Laramie CC SWB SB 6.4 4x4 4.10
2020 Montana High Country 331RL
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04-22-2023, 04:28 AM
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#18
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Senior Member
Join Date: Oct 2014
Location: Germantown, TN
Posts: 6,327
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Like Danny, I have only seen hard-wired water heaters. Does the whole setup seem to be factory? Or does it appear to have some Jerry-rigging involved?
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Jim in Memphis, Wife of 51 years is Brenda
2019 F450 6.7 Powerstroke
2018 Mobile Suites 40RSSA
2021 40' Jayco Eagle
2001 Road king w/matching Harley sidecar
2021 Yamaha X2 Wolverine 1000
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04-22-2023, 07:48 AM
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#19
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Junior Member
Join Date: Apr 2023
Location: Boise
Posts: 3
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Quote:
Originally Posted by sourdough
What exactly is the issue with your water heater? You tagged into a thread that is several months old. Your water heater should be hard wired and not plugged into an outlet. What brand of water heater, are the switches for gas/electric turned on etc.?
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I agree that it should be hard wired, but it's not. I have the correct switches engaged. When I run an electric extension out to the plug I've mentioned the water gets hot. it doesn't speak well of the builder of the trailer or quality control...
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04-22-2023, 07:59 AM
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#20
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Senior Member
Join Date: Nov 2017
Location: Mico, TX
Posts: 7,444
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Never heard of any water heater relying on an outlet to plug into. Again, I guess I need to ask what make/model water heater is being discussed?
__________________
wiredgeorge Mico TX
2006 F350 CC 4WD 6.0L
2002 Keystone Cougar 278
2006 GL1800 Roadsmith Trike
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