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11-18-2017, 05:21 AM
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#1
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4 Rivet Member 
2006 19' Safari SE
Hayes
, Virginia
Join Date: Dec 2011
Posts: 345
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Water heater red light
My water heater on my 2006 19’ Bambi, the red light remains on. Turn on gas, turn on red light switch, and she stays on on. I know this has been asked before but I cannot find it. She was working great until our last camping trip, then this problem. Appreciate any help. Thank you. Tom
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11-18-2017, 05:28 AM
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#2
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Rivet Master  
2007 Interstate
Normal
, Illinois
Join Date: Jan 2009
Posts: 18,077
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Is your water heater lighting, or is it just the red light staying on that bothers you?
Maggie
__________________
🏡 🚐 Cherish and appreciate those you love. This moment could be your last.🌹🐚
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11-18-2017, 05:40 AM
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#3
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4 Rivet Member
2017 28' International
Virginia Beach
, Virginia
Join Date: Jul 2016
Posts: 405
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I just went through this with my 2017 Serenity. Turns out it was the circuit board. It was not generating enough power to spark the igniter. Easily replaced.
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11-18-2017, 06:17 AM
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#4
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Moderator
2015 25' FB Flying Cloud
2012 23' FB Flying Cloud
2005 25' Safari
Santa Rosa Beach
, Florida
Join Date: Jul 2006
Posts: 13,159
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If the red light on the water heater switch stays on, it means that the there is a problem, and the unit is not lighting. Many times it is a problem with the electrics. The first thing that I would try is removing the bayonet connectors and cleaning the contacts. You can do this by pushing them on and off several times.
Brian
__________________
SuEllyn & Brian McCabe
WBCCI #3628 -- AIR #14872 -- TAC #FL-7
2015 FC 25' FB (Lucy) with ProPride
2020 Silverado 2500 (Vivian)
2023 Rivian R1T (Opal)
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11-18-2017, 08:53 AM
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#5
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4 Rivet Member
2006 19' Safari SE
Hayes
, Virginia
Join Date: Dec 2011
Posts: 345
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Water heater redlight
Guess I left one important statement out...The light stays on, she ignites and sounds good, but....ya might get a quart of warm water and that is it....I have a good blue flame...
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11-18-2017, 08:58 AM
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#6
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Rivet Master
2002 30' Classic S/O
Fleming Island
, Florida
Join Date: Nov 2013
Posts: 4,672
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If you haven't changed anything since the time it worked, it may be the overtemp sensor. Are you sure the air has been flushed out of the heater?
Al
__________________
“You cannot reason someone out of a position they have not been reasoned into"
Al, K5TAN and Missy, N4RGO WBCCI 1322
2002 Classic 30 Slideout -S/OS #004
2013 Dodge 2500 Laramie 4x4 Megacab Cummins
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11-18-2017, 08:58 AM
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#7
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Rivet Master
Currently Looking...
Mantua
, Ohio
Join Date: Jul 2005
Posts: 7,062
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It's waterlogged. It needs the air bubble renewed.
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11-18-2017, 09:10 AM
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#8
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Rivet Master
2007 Interstate
Normal
, Illinois
Join Date: Jan 2009
Posts: 18,077
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Quote:
Originally Posted by mocus
Guess I left one important statement out...The light stays on, she ignites and sounds good, but....ya might get a quart of warm water and that is it....I have a good blue flame...
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That’s good information to provide, gives the situation a whole new look. 
Maggie
__________________
🏡 🚐 Cherish and appreciate those you love. This moment could be your last.🌹🐚
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11-18-2017, 09:28 AM
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#9
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4 Rivet Member
2006 19' Safari SE
Hayes
, Virginia
Join Date: Dec 2011
Posts: 345
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Just cleaned contacts/connectors with contacteen(sp), slid them in/out, flipped switch and still getting picture-perfect flame and light stays on. Everything gas is working except red light on heater....
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11-18-2017, 09:38 AM
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#10
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4 Rivet Member
2006 19' Safari SE
Hayes
, Virginia
Join Date: Dec 2011
Posts: 345
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Quote:
Originally Posted by Al and Missy
If you haven't changed anything since the time it worked, it may be the overtemp sensor. Are you sure the air has been flushed out of the heater?
Al
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Is the over temp sensor the round thermostat? I can change that easy enough
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11-18-2017, 09:39 AM
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#11
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Rivet Master
2017 26' Flying Cloud
Tampa
, Florida
Join Date: Feb 2017
Posts: 7,653
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Quote:
Originally Posted by mocus
Just cleaned contacts/connectors with contacteen(sp), slid them in/out, flipped switch and still getting picture-perfect flame and light stays on. Everything gas is working except red light on heater....
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That would make me worry there's no water in the tank.
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11-18-2017, 11:12 AM
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#12
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4 Rivet Member
2006 19' Safari SE
Hayes
, Virginia
Join Date: Dec 2011
Posts: 345
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I just drained it yesterday when I was monkeying around with it. And like I say, I turned on the hot water valve and let it run just to make sure.
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11-18-2017, 11:40 AM
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#13
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Rivet Master
2022 25' Flying Cloud
NCR
, Ontario
Join Date: Feb 2017
Posts: 3,099
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same issue
it was a bad circuit board.
i'm now waiting 7 weeks to get a wuarantee refund from the water heater OEM
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11-18-2017, 11:42 AM
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#14
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Rivet Master
2002 30' Classic S/O
Fleming Island
, Florida
Join Date: Nov 2013
Posts: 4,672
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Quote:
Originally Posted by mocus
Is the over temp sensor the round thermostat? I can change that easy enough
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If yours is like mine, there are two, one is the normal thermostat, the other is the emergency cutoff.
Without knowing your particular heater, I can't say. I bought a service kit on Amazon and it had both.
You may find this useful:
http://manuals.adventurerv.net/Atwoo...nuals-2007.pdf
Al
__________________
“You cannot reason someone out of a position they have not been reasoned into"
Al, K5TAN and Missy, N4RGO WBCCI 1322
2002 Classic 30 Slideout -S/OS #004
2013 Dodge 2500 Laramie 4x4 Megacab Cummins
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11-18-2017, 04:56 PM
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#15
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Rivet Master
2012 23' FB International
Woodstock
, Ontario
Join Date: Aug 2014
Posts: 1,423
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Over temp T'stat cycles on and off, unless they have changed the operation; it does not open and stay that way. You just get really hot water. The operating and over temp T'stats are wired in series so the controller doen't see the difference at least on older As models
OP discovered what I thought was the problem....faulty board, but at least he got hot water. Occasionally a heater board problem is just a bad ground...something the owner's manual says to check be fore replacing the board.
JCW
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11-19-2017, 06:42 AM
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#16
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4 Rivet Member
2006 19' Safari SE
Hayes
, Virginia
Join Date: Dec 2011
Posts: 345
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Thank you, mine is just like that. Camper sales up the road so, will get those two things in the morning. Thanks all for the assist........
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03-04-2019, 11:16 PM
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#17
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1 Rivet Member 
2016 23' Flying Cloud
Eugene
, Oregon
Join Date: Mar 2019
Posts: 9
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Hi-I don't think this issue is covered. I recently got the trailer, never used the gas heating option. When leaving the electric heat option on, it heats the water and then the red light comes on? then I turn off the electric water heater button- after a while I turn it on again, heats the water and red light comes on and stays on.
ideas? thanks
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03-05-2019, 01:04 PM
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#18
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Rivet Master
2017 27' Flying Cloud
Fort Worth
, Texas
Join Date: Sep 2017
Posts: 773
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Quote:
Originally Posted by Cayenne-airs
Hi-I don't think this issue is covered. I recently got the trailer, never used the gas heating option. When leaving the electric heat option on, it heats the water and then the red light comes on? then I turn off the electric water heater button- after a while I turn it on again, heats the water and red light comes on and stays on.
ideas? thanks
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The red light is an error. That light is not suppose to come on.
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