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Old 08-19-2003, 08:33 PM   #1
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1983 31' Excella
Bemidji , Minnesota
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Question 81 excella water heater

I have a 1981 Excella 31 ft. I just ran into trouble with the water heater. It worked fine then the gas ran out. I replaced the gas tanks and the electronic ignitor will not work. I dont know if you have to bleed the line or what. And if you have to bleed the line, is there a easy way to do it besides taking of the main line? When I pushed on the toggle switch to light, no light came on and it did not sound like there was any attempt to spark, nothing happened. Any suggestions are appreciated. Thank you.

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Old 08-19-2003, 08:40 PM   #2
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1984 31' Excella
Abernathy , Texas
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Just run it ......

Just run it through the cycle of lighting a few times if you are getting the spark from the DSI unit on the water heater.
If it does not light then you may have a problem with the LP valve of the unit not opening.
On mine sometimes it took several minutes of waiting for it to catch after running out of LP.
I just replaced my Atwood 6 gal DSI unit with a new one due to the tank corroding through after 19 years. The new unit was $588.91 installed. $428 for the heater and 2 hours labor....and they saved my old aluminium door for the new unit so I don't have an awful white painted door!
Good is probably something might also check the connections to make sure they are corrosion free and making good contact.

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Old 08-19-2003, 09:10 PM   #3
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Or you can light your cooktop to vent some of the air from the lines to speed the process up. Until the unit lights it is going to sound weird.
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Old 08-19-2003, 10:02 PM   #4
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I think you may need to check your wiring connections to make sure they are making contact at the water heater.

When you flip the switch and go outside to the waterheater it should be making the spark trying to light the heater if all the contacts are working.

Also, your DSI unit that makes the spark may have failed and you may need to replace the spark unit.

And, finally, also check your fuse panel to make sure all those little glass fuses are intact. One of the fuses will go to your DSI circuit since you can run the water heater self contained when not hooked up to shore power. When you ran out of propane the fuse may have shorted out with the heater trying to light and having no propane.

Beyond those steps, I would be having to take it in to an RV dealer for service.
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Old 08-20-2003, 07:33 AM   #5
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If you have had wet weather, run a hair dryer over entire unit including all electrical connections......damp weather makes them act funny.
George Jr.
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Old 08-20-2003, 07:50 AM   #6
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'81 Excella MH water htr.

This past weekend, I too had a prob. w/ water heater. I pressed the optional lighter installed on the gauge panel, and I heard the heater light up. But when i went outside to check, the sparker just kept on clicking away and did not stop. I ran it for 5 minutes and still clicked, so I turned it off. Is this heater supposed to click like that or was it a stuck sparker?
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Old 08-20-2003, 08:52 AM   #7
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Mine will do that sometimes when I first turn it on while I'm waiting on the gas to get to the water heater. When the gas lines are full, I’ve not had that problem!

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