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Old 10-21-2013, 08:21 AM   #1
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Water Heater

My water heater quit working on my 2002 WINNABAGO Journey. Worked Friday not Saturday. It is the Atwood, 10 gal tank. The electrical side still works but the gas has quit.
I thought about swapping out the 93865 circuit board (pretty pricey)but would like to know if anyone else has experenced this problem. I have checked the fuse it is OK.

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Old 10-21-2013, 08:54 AM   #2
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My Atwood died once on our previous coach, and it turned out to be the "thermal cutoff switch," which isn't a switch at all, but looks more like an inline fuse. In mine, it was connected to a brown wire on both ands and the thermal cutoff itself was covered by a clear plastic tube. I was able to disconnect it, bring to Camping World, and they sold me two new ones. It is also possible to remove your motherboard too, and CW was able to test mine. But... beware... they told me mine failed the test but it really was quite fine. So apparently the method of testing the motherboard isn't straightforward enough for at least that guy to give a correct read.

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Old 10-21-2013, 01:11 PM   #3
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I agree with Statgeek in that you should check the 'Thermal Fuse'. Those go out for no apparent reason. You also have a couple thermal disks that can open circuit. For testing, you can just short out either or both of those...and you can short out the Thermal Fuse too. They are normally closed so jumping them out of the circuit is an easy test.
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Old 10-21-2013, 02:00 PM   #4
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There are manuals, trouble shooting procedures, etc. in the "RV Systems and Appliances" section of iRV2.
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Old 10-25-2013, 03:26 PM   #5
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Rather than just guessing, why not visit the site of Bryant RV and get a copy of the service manual for your water heater? To tell you what the problem is would be pretty difficult with no more than you give us to go on. Does the ignition probe spark to try and light the propane? You should be able to hear the clicking of the attempts to do so. If it doesn't, try holding a lighter for a barbecue nest to the ignition probe and have an assistant turn on the gas side to see if there is propane there? If there is it should light. It could also be possible that it does light for a brief period but the ignition spark continues and then it turns off. That would indicate that it is not sensing the heat of the flame and is probably the spark probe assembly. Run some tests and come back to tell us what it is doing or not doing and we might be able to help.
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Old 10-25-2013, 07:07 PM   #6
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My Atwood has a label on it saying to reseat all connectors before removing circuit board.

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