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Old 11-21-2020, 02:41 PM   #1
Domer
 
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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. Iím still under warranty, but would appreciate any thoughts or suggestions on what went wrong on the electric side. Thanks!
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Old 11-21-2020, 02:46 PM   #2
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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!

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:


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Old 11-21-2020, 02:48 PM   #3
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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?

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Old 11-21-2020, 02:56 PM   #4
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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.

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Old 11-21-2020, 02:57 PM   #5
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Originally Posted by nomad297 View Post
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

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
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Old 11-22-2020, 06:38 AM   #6
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No reset button

Thanks to all. There is no reset button on the heater and Iíve checked the circuit breaker and fuses - all ok there. Spoke with Coachmen Roadside Assistance who essentially said thereís a break in a line somewhere. Looks like a warranty issue, but fortunately Coachmen plant is close by
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Old 11-22-2020, 09:24 AM   #7
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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.
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Old 11-22-2020, 09:27 AM   #8
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could be the 12V relay in the back of the water heater .
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Old 11-22-2020, 10:47 AM   #9
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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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Old 11-22-2020, 11:34 AM   #10
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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 .
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.


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Old 11-22-2020, 07:32 PM   #11
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Not always

Quote:
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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 .
Not always. I had one fail shorted, not open. It would pop the breaker instantly. It was visually indistinguishable from a new one.
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Old 11-23-2020, 08:55 AM   #12
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Again, thanks for the help. I think Iíll let Coachmen handle the problem as Iím under warranty.
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