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05-13-2018, 07:11 PM
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#1
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Seasoned Camper
Join Date: Jan 2018
Location: Caldwell
Posts: 72
M.O.C. #21136
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Water Heater Fail
New 2018 3130. De-Winterizing , and testing all systems.
I flip the switch for GAS water heater, and get the little red fault light.
Propane full, and open. Plugged in to 110, batteries good, no noise, nothing but the fault light as soon as I flip the switch.
I checked gas flow by turnung on the stove, all good. GRRRRRR. We bought this back in December, but have not used it yet. Fixin to leave this week, but need hot water. ANY ideas????
Tanks, Gordon
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05-13-2018, 07:21 PM
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#2
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Montana Master
Join Date: May 2011
Location: Hixson
Posts: 3,436
M.O.C. #11397
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The little red light is not a "fault light". It shows the igniter is attempting to light the water heater burner. Have you opened (slowly) the gas valves on the cylinders and made sure air is out of the system by lighting stove top burners first and letting them burn 1-2 minutes. The WH igniter will try 3 times and lock out if it does not light. Turn the switch off for a few seconds to reset the system and turn it back on to try again. Sometimes it takes 3 or 4 cycles before it lights.
__________________
2018.5 Montana 3791RD
Full Timers 9/1/2010 through 1/16/2020.
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05-13-2018, 07:25 PM
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#3
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Seasoned Camper
Join Date: Jan 2018
Location: Caldwell
Posts: 72
M.O.C. #21136
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Thanks,
I never heard the igniter, and the light says Fault. Did the propane test as suggested. I'll give it another shot.
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05-13-2018, 07:26 PM
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#4
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Montana Master
Join Date: Sep 2013
Location: Pensacola (mail forward service)
Posts: 3,198
M.O.C. #13740
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The ignition sequence has the light come on, then electronics checks for blower on moving the sail switch internal to the chamber, then gas valve will get 12vdc, and there will be three tries to produce a flame. If none, then it goes into lockout where you have to turn the switch off, then back on for another cycle. If you opened the tank valve too quick it will engage a safety in the tank hose line to the regulator and not enough gas makes it to the water heater. In this case, turn off propane, take hose off tank, put back on, open valve very slowly, and then try another cycle. If you are outside after turning the switch on, you will hear the three attempts to light. It will do this until the air is out of the line.
__________________
2012 F350 6.7 L dually, 2013 3800RE with 6 pt leveling, Sumitomo 17.5" load range h tires, Samsung 18 cu ft residential fridge, 8k Morryde I.S. with disc brakes. Full timing since 2012.
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05-13-2018, 07:32 PM
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#5
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Montana Master
Join Date: May 2011
Location: Hixson
Posts: 3,436
M.O.C. #11397
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Quote:
Originally Posted by jcurtis934
The ignition sequence has the light come on, then electronics checks for blower on moving the sail switch internal to the chamber, then gas valve will get 12vdc, and there will be three tries to produce a flame. If none, then it goes into lockout where you have to turn the switch off, then back on for another cycle. If you opened the tank valve too quick it will engage a safety in the tank hose line to the regulator and not enough gas makes it to the water heater. In this case, turn off propane, take hose off tank, put back on, open valve very slowly, and then try another cycle. If you are outside after turning the switch on, you will hear the three attempts to light. It will do this until the air is out of the line.
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The OPs problem is with the water heater not the furnace.
__________________
2018.5 Montana 3791RD
Full Timers 9/1/2010 through 1/16/2020.
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05-13-2018, 07:38 PM
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#6
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Montana Master
Join Date: May 2011
Location: Hixson
Posts: 3,436
M.O.C. #11397
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I just checked mine and it does say "flt lte" but mine only comes on during ignition attempt and then goes off after WH burner ignites and stays off until ignition required again.
__________________
2018.5 Montana 3791RD
Full Timers 9/1/2010 through 1/16/2020.
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05-13-2018, 07:45 PM
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#7
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Seasoned Camper
Join Date: Jan 2018
Location: Caldwell
Posts: 72
M.O.C. #21136
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Y'all are great! I'll give it another try tomorrow.
Bsed on the experience I had with oour last unit, I am gunshy ...
Thanks again
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05-13-2018, 07:57 PM
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#8
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Montana Master
Join Date: Oct 2006
Location: McKinney
Posts: 7,361
M.O.C. #6433
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Go outside and remove the WH cover and let someone else try to start the WH. You should definitely hear the spark. If not it might be that the electrode spacing is not correct. Electrode should have a 1/8" gap if a Suburban water heater.
If spacing is correct and no spark, you may have a control board problem.
__________________
Bill & Patricia
Riley, our Golden
2007 3075RL (recently sold, currently without)
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05-14-2018, 08:56 AM
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#9
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Montana Master
Join Date: May 2017
Location: new caney
Posts: 1,050
M.O.C. #19873
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Agree about the spacing on the electrode. The electrode gap was to wide on my fridge and it kept trying to ignite, Cost me 20.00 at an independent mom and pop repair shop while traveling. Even things that are minor can be very aggravating. Good luck.
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05-14-2018, 11:19 AM
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#10
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Site Team
Join Date: Sep 2017
Location: Oro Valley
Posts: 4,084
M.O.C. #20477
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Gordo,
I had a similar issue with mine. It turned out to be a bad electronic board on the back of the water heater.
__________________
Zack and Donna plus Millie and Ranger
2018 3160RL
"Life is too short to stay indoors, enjoy the ride!"
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05-14-2018, 09:16 PM
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#11
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Seasoned Camper
Join Date: Jan 2018
Location: Caldwell
Posts: 72
M.O.C. #21136
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Quote:
Originally Posted by AZ Traveler
Gordo,
I had a similar issue with mine. It turned out to be a bad electronic board on the back of the water heater.
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Oh damn, I have not even used it yet. Well, I'll check it out this weekend while I prep for our trip to Cali next week.
My wife may have to learn to like cold showers.....I'll let you know...
Thanks again
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05-14-2018, 09:29 PM
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#12
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Site Team
Join Date: Sep 2017
Location: Oro Valley
Posts: 4,084
M.O.C. #20477
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Gordo,
The electric side of mine still worked so no cold showers.
__________________
Zack and Donna plus Millie and Ranger
2018 3160RL
"Life is too short to stay indoors, enjoy the ride!"
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05-15-2018, 08:40 AM
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#13
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Montana Master
Join Date: Oct 2006
Location: McKinney
Posts: 7,361
M.O.C. #6433
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You can get plenty of hot water on electric only, assuming you are connected to power.
__________________
Bill & Patricia
Riley, our Golden
2007 3075RL (recently sold, currently without)
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05-19-2018, 08:37 PM
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#14
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Seasoned Camper
Join Date: Jan 2018
Location: Caldwell
Posts: 72
M.O.C. #21136
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YAY...
Followed everyones advise, WAITED a few seconds after switch was on, and guess what, THE WATER WORKS.
I guess I'm just paranoid after our last experience, and think the worst. Thanks again for all the help
Gordo
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