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11-21-2020, 02:41 PM
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#1
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Domer
Join Date: Oct 2020
Location: Granger, IN
Posts: 45
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Water heater stopped working
I have a Dometic LP gas water heater on my 2021 Coachmen Mirada. I was using electric only when it just stopped working. I have it on gas now and it is working fine. I’m still under warranty, but would appreciate any thoughts or suggestions on what went wrong on the electric side. Thanks!
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11-21-2020, 02:46 PM
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#2
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Site Team
Join Date: Nov 2010
Location: Northeast Louisiana
Posts: 33,951
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Quote:
Originally Posted by Domer1972
I have a Dometic LP gas water heater on my 2021 Coachmen Mirada. I was using electric only when it just stopped working. I have it on gas now and it is working fine. I’m still under warranty, but would appreciate any thoughts or suggestions on what went wrong on the electric side. Thanks!
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The electric side requires 120 volt AC to operate. I assume you are on some form of 120 volt AC power and have also checked the circuit breaker to the water heater in the RV's electrical distribution panel to make sure it has not tripped.
The water heaters (W/H) electric element will usually be on a 15 amp circuit breaker like this example picture below:
__________________
 2011 Flagstaff 831 RLBSS
A 72 hour hold in a psych unit is beginning to intrigue me as a potential vacation opportunity.
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11-21-2020, 02:48 PM
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#3
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Senior Member
Join Date: Jul 2015
Posts: 7,053
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If you can provide the model number of your water heater, it might help with getting better answers for you. But for starters, have you tried pushing in the reset button for the electric side of the water heater?
Bruce
__________________
2016 Rockwood Windjammer 3029W Diamond Edition
2015 Chevy 3500HD LTZ 6.0 Crew Cab 4x4 Long Bed 4.10:1 SRW
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11-21-2020, 02:56 PM
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#4
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Senior Member
Join Date: Jul 2015
Posts: 7,053
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Hmm...do the Dometic/Atwood water heaters even have the reset buttons like the Suburban heaters? I didn’t think about that.
Bruce
__________________
2016 Rockwood Windjammer 3029W Diamond Edition
2015 Chevy 3500HD LTZ 6.0 Crew Cab 4x4 Long Bed 4.10:1 SRW
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11-21-2020, 02:57 PM
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#5
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Site Team
Join Date: Nov 2010
Location: Northeast Louisiana
Posts: 33,951
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Quote:
Originally Posted by nomad297
If you can provide the model number of your water heater, it might help with getting better answers for you. But for starters, have you tried pushing in the reset button for the electric side of the water heater?
Bruce
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Bruce, the OP stated he has a Dometic (aka Atwood) water heater. I don't believe those brand have a reset like the Suburban brand does.
This guide in our library may help the OP troubleshoot his Dometic water heater
https://www.forestriverforums.com/fo...do=file&id=189
EDIT: Bruce you were typing at the same time as me. LOL
__________________
2011 Flagstaff 831 RLBSS
A 72 hour hold in a psych unit is beginning to intrigue me as a potential vacation opportunity.
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11-22-2020, 06:38 AM
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#6
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Domer
Join Date: Oct 2020
Location: Granger, IN
Posts: 45
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No reset button
Thanks to all. There is no reset button on the heater and I’ve checked the circuit breaker and fuses - all ok there. Spoke with Coachmen Roadside Assistance who essentially said there’s a break in a line somewhere. Looks like a warranty issue, but fortunately Coachmen plant is close by
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11-22-2020, 09:24 AM
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#7
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Pickin', Campin', Mason
Join Date: Aug 2015
Location: South Western PA
Posts: 19,146
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If you own a multimeter and know how to use it, 5 minutes of testing electrical circuits will let you know what the issue is.
__________________
2022 Cedar Creek 345IK 5th Wheel•Solar & Inverter•2024 Ford F-Series SCREW•7.3L•4x4•Factory Puck•B&W Companion•TST Tire Monitor w/Repeater•Sinemate 3500w Gen.
F&AM Lodge 358 Somerset, PA - JAFFA Shrine - Altoona, PA
Days Camped ☼ '19=118 ☼ '20=116 ☼ '21=123 ☼ '22=134 ☼ '23=118☼ '24=90
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11-22-2020, 09:27 AM
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#8
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Senior Member
Join Date: Jul 2017
Posts: 4,056
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could be the 12V relay in the back of the water heater .
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11-22-2020, 10:47 AM
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#9
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Senior Member
Join Date: Aug 2019
Posts: 1,054
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unscrew the element. wrench is 10.00 at home depot. if it is not smooth it will look burned / crinkley. 15.00 fix. any hardware store ACE HARDWARE has them .
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11-22-2020, 11:34 AM
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#10
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Site Team
Join Date: Nov 2010
Location: Northeast Louisiana
Posts: 33,951
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Quote:
Originally Posted by Thomas ho
unscrew the element. wrench is 10.00 at home depot. if it is not smooth it will look burned / crinkley. 15.00 fix. any hardware store ACE HARDWARE has them .
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Probably not something a new owner wants to do with a new dometic brand water heater, which the element comes out from the backside of the heater.
Probably just needs to let warranty handle it if it is indeed a manufacturer/appliance problem.
__________________
2011 Flagstaff 831 RLBSS
A 72 hour hold in a psych unit is beginning to intrigue me as a potential vacation opportunity.
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11-22-2020, 07:32 PM
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#11
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Senior Member
Join Date: Jan 2018
Location: Raleigh, NC
Posts: 9,613
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Not always
Quote:
Originally Posted by Thomas ho
unscrew the element. wrench is 10.00 at home depot. if it is not smooth it will look burned / crinkley. 15.00 fix. any hardware store ACE HARDWARE has them .
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Not always. I had one fail shorted, not open. It would pop the breaker instantly. It was visually indistinguishable from a new one.
__________________
Larry
"Everybody's RV is not like your RV."
"Always take pictures with the button on the right."
"Always bypass the water heater before opening the low-point drains."
Sticks and Bricks: Raleigh, NC
2008 Cherokee 38P: at Ivor, VA permanently
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11-23-2020, 08:55 AM
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#12
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Domer
Join Date: Oct 2020
Location: Granger, IN
Posts: 45
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Again, thanks for the help. I think I’ll let Coachmen handle the problem as I’m under warranty.
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