Question about RTO Atwood Water Heater - 6 Gal LP

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Atwood. Will not light. Red light comes on and stays on.

Get a very high pitched noise from the circuit board. Have cleaned the connector to the circuit board.
Suspecting the water heater sensors that are at the tank and run to the circuit board. Can I bypass those valves?
What are their function?
not excited about spending $130 on a circuit board to find out there is nothing wrong and I cannot return it.

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A GOOD RV DEALER SUCH AS WHERE I WORK HAVE A BOARD TESTER AND CHECK IT FOR FREE. A DEALER NEAR YOU SHOULD BE ABLE TO DO IT FOR YOU AS WELL. THE SENSORS ARE THE ECO AND T-STAT. NO, THEY CAN'T BE BYPASSED. THE ECO AND T-STAT WORK IN CONJUNCTION BY REGULATING THE WATER TEMP AND PROVIDING POWER TO THE CIRCUIT. THEY ACT AS SAFETY DEVICES.

Posted on Jan 09, 2010

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Atwood water heater g6a8e lights but flame goes out after 5 to 10 seconds. I replaced igniter / thermocouple and it worked for a while but problem is back. So I need to replace circuit board?


Make sure you pull connector off and clean it and contacts on board. Be sure igniter is in flame good too. Does it have the thermal cut off in-line? Its the little resistor looking piece inside the plastic cover. If it does, and still running a few seconds and going out, remove it from the circuit, and connect wire end to where you removed cut out from, thus eliminating it from the circuit, and test it. If that cures it, replace that cut-out, as it is a safety device in case of flame up, it cuts gas off to prevent fire. Just leave it out long enough to test it.

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Atwood 7920-11 furnace will not light. I am trying to light the furnace on my 2006 Jayfeather 19H camper that is an Atwood and looks to be an automated pilot lighting system but I continually get a flame...


Your electrode acts as flame sense as well. Remove electrode and clean it thoroughly/carefully especially at end where flame would be sensed and retry. Be sure connections on high tension wire is good and clean as well as connector and contacts on circuit board as well. If still same result, replace electrode.

Oct 05, 2011 | RTO Atwood Water Heater - 6 Gal LP

1 Answer

I have an Atwood electronic ignition 6 gal. water heater. When I flip the switch to light, I can hear the ignitor sparking but there is no ignition. How can I isolate the problem?


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Aug 09, 2011 | RTO Atwood Water Heater - 6 Gal LP

1 Answer

The green light goes on, but nothing happens. I'm getting 12v to the controller, but nothing coming out. The thermostat also has 12v in and out. Can I bench test my controller or is even...


Have you tried removing the thermal cut off from the circuit. ( inside the little plastic sleeve ) and wiring it direct to terminal thermal cut off is attached to? Also, try removing the connector at the circuit board and rub the contacts on the board with a pencil eraser and re-try. Sometimes just bad contact at connector tabs. No spark, no 12v to gas valve when turned to ignite, replace board/module.

Jul 01, 2011 | RTO Atwood Water Heater - 6 Gal LP

2 Answers

I have an Atwood G6A-BE model )or possibly G6A-B8) hot water heater. When I throw the starter swith on from inside the RV nothing happens at all. No spark. Nothing. Their is a light next to the switch that...


First of all, regarding propane side not lighting. Try shutting switch off, and go outside and remove the connection(s) from the circuit board, and re-install them a few times to see if it's just a bad connection (corrosion) that will correct itself by removing and re-installing the connector(s). If they appear dirty, use an eraser on end of a pencil to clean the contacts on the circuit board, and perhaps some WD-40 or electrical cleaner on connector, and try it to see if that helps. Keep in mind that the propane part needs 12 volts DC (battery or converter) in order to work. The light at the switch tells me you did have it at one time anyway. Try shutting it off and retry, as well as check for any fuses that may have blown.
One the electric side, I'm going to guess it's a "hot rod" or similar. Obviously you need the circuit breaker on that powers that. (hydro) You should also find a thermostat, probably by looking at rear of tank from inside RV, that will probably have a red reset button in the middle of it. Be sure to shut breaker off before you go poking around that thermostat, so you don't get a shock, seeing how we have no idea exactly who or how it was installed. If you determine that the hydro is getting to the hot rod, but still no hot water, then the element, or rod itself has probably burned out. Personally I'm not a fan of those, but if it serves the purpose, that's up to you. Just be sure to pay attention to any plugs and wiring in the circuit, and watch for signs of them getting too hot, such as discolored connectors, or melting wires or even signs of overheating if it's just plugged in to a receptacle.

Feb 16, 2011 | RTO Atwood Water Heater - 6 Gal LP

2 Answers

I have an Atwood 6 gallon electronic start water heater in my 1999 Pace Arrow Vision motorhome. The ignition spark does not operate when I try to turn on the heater from the control panel in the RV. I can...


Open following link for Atwood troubleshoot resources to identify product and look at manual with parts lists.
http://waterheatertimer.org/Atwood-water-heater-resources.html

Add a comment to this thread saying how you solved problem to help others who have same issue

Jan 25, 2011 | RTO Atwood Water Heater - 6 Gal LP

2 Answers

Atwood Model # GC6AA-10E. When I try to start unit on gas it tries to start 3 times and red warning light comes on. When I try electrical the red warning light comes on. Have cleaned the contacts on...


Normally the red light stays on for hydro operation, so within 1/2 hr or so you should have hot water. Red light on gas means problem lighting. A few things to check. Make sure switch at back of water heater is on as well as breaker in panel, for hydro operation.
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Jan 19, 2010 | RTO Atwood DSI-RV Water Heater-6 Gallon

1 Answer

My water heater will not light??


MAKE SURE YOU HAVE A GOOD 12VOLT SUPPLY TO THE BOARD. CLEAN THE BOARD CONTACTS AND CONNECTOR.

Nov 02, 2009 | RTO Atwood Water Heater - 6 Gal LP

1 Answer

Atwood water heater light doesnt stay on


That light in the switch should only be on momentarily while it is igniting, and then go out when everything is ok. If light stays on, it's to alert you that for some reason, the burner did not ignite, such as propane is off, or some other reason it didn't ignite. If the light stay out, then the burner should be working properly.

Oct 07, 2009 | RTO Atwood Water Heater - 6 Gal LP

2 Answers

Electronic fire. fires up , Shuts down after 5 sec.


it sounds more like you have the ignitor wire shorting out on metal and won't allow it to stop trying to light the burner, hold the wire away from any metal and see if it helps, if this isn't the caee your circuit board needs to be replaced,

Jun 22, 2009 | RTO Atwood Water Heater - 6 Gal LP

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