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Old 08-10-2019, 09:15 PM   #1
Daryles
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Water heater not working on gas

Our water heater works on 120v electric but I can't get it to work on gas. Suburban sw12del. We have gas to the cooktop and fridge. The fridge switches automatically from shore to gas no problem.
I believe they are on the same gas line (same side of the camper).
I have read the operating instructions. Pretty straightforward. Make sure gas is on. Turn on switch at the water heater panel inside. It does the rest automatically. When I go outside and check it, it is not lite. What am I doing wrong????
 
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Old 08-10-2019, 09:41 PM   #2
Carl n Susan
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I would start with the "Suburban Water Heater Troubleshooting" manual in the Files section.
http://www.montanaowners.com/forums/...?do=file&id=17
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Old 08-10-2019, 10:56 PM   #3
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Thanks, I did not have that manual. I'll work on it tomorrow. If I can't get it fixed I guess I will have something for the techs to look at, at the rally.
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Old 08-11-2019, 05:02 AM   #4
WeBeFulltime
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It might be helpful if we knew how old it is and when it last worked.
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Old 08-11-2019, 08:32 AM   #5
Daryles
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2019, 3130re. The guy at orientation at CW in May talked about it and said it worked and for faster hot water recovery you can run both electric and gas at the same time. I took his word for it.
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Old 08-11-2019, 08:50 AM   #6
Five O'clock Somewhere
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I have a 2018 3731FL and we started out using the electric. First tried the gas after having unit about a year and it has never worked on gas. On the list for tech to look at at rally.
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Old 08-11-2019, 09:58 AM   #7
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Have someone turn on the switch while you are outside at the water heater. You should hear a popping sound as the ignitor tries to light the gas. That should tell you whether it is a spark problem or gas problem.
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Old 08-11-2019, 12:35 PM   #8
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Ok. Turned off electric hot water switch. I read in Suburban troubleshooting manual that Carl posted, water temperature must be below 100 deg before you can do a manual reset. I ran hot water until it ran cold. Went outside and reseated all electrical connectors on the gas valve etc. Tapped on the gas valve (gentle wake up call). Verified propane gas tank level was solid green. Verified gas reset button (above gas valve) was pushed in. Came back inside verified gas worked on cooktop.
Moment of truth. Turned on gas water heater switch. The fault light came on (normal operating procedure per operating instructions. It runs it's own gas line purging, sparking, flame sensor (yes/no) and resetting itself for 15 sec.) I went outside to watch for the flame. By the time I got to it, it was already lit. I put the cover back on and came back in. The fault light was out. I let it heat up the water all the way.
Thanks Carl for the troubleshooting manual and every one for their help.
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