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05-26-2015, 02:06 PM
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#1
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Junior Member
Join Date: Apr 2015
Location: Denver, CO
Posts: 24
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New Hot Water Heater Flames Out
Just took our new 2015 Cougar 301SAB out this past weekend. Everything good so far except the gas water heater. It is a Suburban Combo unit. The DSI will turn on and light the gas, but as soon as the gas stops then the flames goes out. We have tried several times over the weekend. Fridge, stove and gas furnace work great. Water heater still not working. Good thing we had the electric water heater. Calling the dealer, they want to have the unit brought it in and won't do anything over the phone. That's where you guys come in. Any ideas?
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05-26-2015, 02:17 PM
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#2
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Senior Member
Join Date: Aug 2012
Location: Waco, Tx
Posts: 5,457
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With DSI there is no pilot so yes when the gas stop flowing the flame goes out. The thermostat inside the heater's control tells it the water is hot and poof.. the flame is gone..
__________________
2015 Ford F350 DRW 6.7 Diesel XL
2020 Avalanche 313 RS
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05-26-2015, 02:52 PM
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#3
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Senior Member
Join Date: Jan 2014
Location: Winnipeg, Canada
Posts: 1,196
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Had same issue with flame out after the three or so seconds when first lit. I replaced the control board and re-crimped the wire connectors that seemed loose near the bypass valve. Working OK so far and did not need to leave the trailer at the dealer for an extended period.
__________________
2018 Jayco Eagle HT 265BHS (previous: 2015 23RB Passport Elite, ProPride)
2015 F250 XLT SB Crew, 6.2l gas
PullRite 16K SuperGlide w/SuperRail
Reese 5th Airborne (bagged) Pin Box
RoadMaster Shock Kit
X-Factor Cross Bracing
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05-26-2015, 03:52 PM
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#4
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Site Team
Join Date: Jun 2009
Location: Venice
Posts: 5,346
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If you had the electric element turned on, the water may have been already hot and the gas should turn off. JM2¢, Hank
__________________
Hank & Lynn
2007 Cougar 290RKS, E-Z Flex, 16" XPS RIBs ( SOLD .. Gonna miss her ... looking for new 5r)
2004.5 Dodge 2500 QC, LB, 5.9HO, WestTach gauges, Ride-Rite
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05-26-2015, 04:38 PM
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#5
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Senior Member
Join Date: May 2010
Location: Rochester, NY
Posts: 1,605
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Had the same problem on the same water heater when it was brand new. On mine the circuit board is mounted haphazardly on top of the heater accessed by removing the panel on the inside compartment. The ignitor wire was connected loosely on the circuit board. I tightened the crimps on the connector and have had no problems since.
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05-28-2015, 12:48 PM
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#6
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Junior Member
Join Date: Apr 2015
Location: Denver, CO
Posts: 24
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The electric wasn't on when we first set up. I was going through all of the systems to make sure they worked. I tried several times, to include using all of the hot water and waiting to see if it would light. Nothing.
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05-29-2015, 06:27 AM
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#7
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Senior Member
Join Date: Jan 2014
Location: Winnipeg, Canada
Posts: 1,196
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New Hot Water Heater Flames Out
Exact same as mine. I forgot to mention that as part of my brute force fix, not only did I change the control board and recrimp wires, but I also adjusted the igniter position and ensured I had a good ground. I found the new board on line for just over $100.
Sent from my iPhone using Tapatalk
__________________
2018 Jayco Eagle HT 265BHS (previous: 2015 23RB Passport Elite, ProPride)
2015 F250 XLT SB Crew, 6.2l gas
PullRite 16K SuperGlide w/SuperRail
Reese 5th Airborne (bagged) Pin Box
RoadMaster Shock Kit
X-Factor Cross Bracing
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05-29-2015, 11:47 AM
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#8
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Site Team
Join Date: Jul 2014
Location: Modesto
Posts: 20,339
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FWIW, we had a customer that had a furnace doing the same thing. Crazy but after a few tests we disconnected the gas line and found styrofoam in the LP system. How it ended up at the furnace was a mystery as all other gas appliances worked great.
__________________
2012 Copper Canyon 273FWRET being towed by a 1994 Ford F350 CC,LB,Dually diesel.
Airlift 5000 bags, Prodigy brake control, 5 gauges on the pillar.Used to tow a '97 Jayco 323RKS.
Now an RVIA registered tech. Retired from Law enforcement in 2008 after 25+ yrs.
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05-29-2015, 07:42 PM
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#9
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Gone Traveling
Join Date: May 2015
Location: Texas
Posts: 101
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I've seen this happen too. Make sure the ignitor, which is also the flame sensor is positioned in the center of that flame...
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06-02-2015, 09:36 AM
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#10
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Member
Join Date: Jul 2012
Location: Pataskala
Posts: 70
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With it being that new, this is unlikely but never hurts to look. On the end of the burner tube, there should be about a dime sized disk covering the end. This is to spread the flame. It often rusts off. And can cause this problem.
Sent from my iPad using Tapatalk
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06-02-2015, 11:07 AM
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#11
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Junior Member
Join Date: Apr 2015
Location: Denver, CO
Posts: 24
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Upon further review by the service dept., they found that the ignitor was bad. After replacing it, everything is running smooth. Still under warranty, so cheap fix. Thanks everyone for the help.
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