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Old 09-27-2013, 04:32 PM   #1
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Hot water heater won't light

I have an Atwood model G10-3E. I haven't had it a month, and the other day the water heater decided not to light. There's a switch above the sink in the kitchen, and so far the light has been turning red for a second, then it lights. Now, the red light doesn't even come on.

I have two small bottles of propane, but everything except the water heater is running off of electricity, if that helps. I'm not sure where to go from here. The pilot light is lit, and I checked all the fuses, they seem fine. Any advice would be MUCH appreciated.

I'm gonna try to post a picture of the outside panel for clarification, as soon as I can figure out how from my phone.
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Old 09-27-2013, 04:42 PM   #2
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I have an Atwood model G10-3E. I haven't had it a month, and the other day the water heater decided not to light. There's a switch above the sink in the kitchen, and so far the light has been turning red for a second, then it lights. Now, the red light doesn't even come on.

I have two small bottles of propane, but everything except the water heater is running off of electricity, if that helps. I'm not sure where to go from here. The pilot light is lit, and I checked all the fuses, they seem fine. Any advice would be MUCH appreciated.

I'm gonna try to post a picture of the outside panel for clarification, as soon as I can figure out how from my phone.
Are you sure you have a pilot light? From what I just read of that model number online it has a Direct Spark Ignitor (DSI).

http://www.americanrvcompany.com/Atw...per-Trailer-RV

Not sure if the Atwoods perform like the Suburban water heaters with DSI, but on a Suburban if the gas doesn't ignite after a few spark attempts from the DSI...the whole system locks itself out.

You then have to turn off the DSI water heater switch inside your camper for about 30 seconds and then turn it back on to start the process again.

You have to make sure you have LP gas and it's getting to the water heater. Have you recently changed the tanks or ran out of gas?

Now just on a side note, if the water is already hot inside the heater, it won't ignite because the thermostat is telling it that there's no need. Have you confirmed the water is cold
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Old 09-27-2013, 05:03 PM   #3
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Yeah, I have a pilot flame. I lit it manually. I have plenty of LP, changed it two weeks ago, but the heater worked fine until the day before yesterday. If the DSI switch is the one with the red light above the sink, turning off for 30 seconds didn't help. :/ Thanks, though.

And yeah, water's cold. No warmth whatsoever.
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Old 09-27-2013, 05:15 PM   #4
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Yeah, I have a pilot flame. I lit it manually. I have plenty of LP, changed it two weeks ago, but the heater worked fine until the day before yesterday. If the DSI switch is the one with the red light above the sink, turning off for 30 seconds didn't help. :/ Thanks, though.

And yeah, water's cold. No warmth whatsoever.

Will this help? Wonder why the light is not working?
http://manuals.adventurerv.net/Atwoo...er-Service.pdf
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Old 09-27-2013, 05:19 PM   #5
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I was about to post the same link Brother Les did. According to that model number, it's not supposed to have a pilot light, but is electronic ignition (DSI).
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Old 09-27-2013, 05:24 PM   #6
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Start around page 16 for suggestions.
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Old 09-27-2013, 05:39 PM   #7
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Ooookay. I think I've got the picture attached now. I circled the pilot in blue, though you can't see the flame this time of day. And the one I circled in green is a slightly burned wire that I don't remember having seen before. Maybe that has something to do with it?
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Old 09-27-2013, 05:44 PM   #8
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Ooookay. I think I've got the picture attached now. I circled the pilot in blue, though you can't see the flame this time of day. And the one I circled in green is a slightly burned wire that I don't remember having seen before. Maybe that has something to do with it?
What you circled would not be where the pilot light would go if it had one. That is where air and propane mix area. Where the pilot light would be is on to the right in the hole area. My older manual lit water tank the pilot would be there next to the large burner. Look through the manual and read about pilot lights etc.
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Old 09-27-2013, 05:54 PM   #9
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And the one I circled in green is a slightly burned wire that I don't remember having seen before. Maybe that has something to do with it?
We need to see what that wire controls, as that may certainly be the problem.

Do you see the red arrow I placed in your pic. This is the electronic ignition /DSI part. This is what makes sparks electronically to ignite your propane when the heater needs to light up. You shouldn't/don't have a pilot light.
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Old 09-27-2013, 05:59 PM   #10
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Oh, crap. Do you think that brown wire is causing it not to work now?
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