Question about RTO Atwood DSI-RV Water Heater-6 Gallon
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Posted on Jan 02, 2017
Make sure propane is on and getting to your stove burners ok, first, then try switching it back on. If it fails to ignite, shut switch off and try a couple of times, if still no ignition, get back to me.
Posted on May 25, 2010
If it has the little thermal cut-off in power wire to thermostat (has a little plastic jacket over it) try removing it, and connect female spade from power wire, directly to male spade on thermostat, and see what happens. Also, make sure electrode is positioned in flame good for flame sensing properly.
Posted on May 26, 2010
First check thermal cut-off that is connected between incoming power wire and thermostat terminal. (located inside little clear plastic sleeve) Easiest way to do that is to remove it from the circuit temporarily. Just pull it off thermostat terminal, pull it apart from other end, and just connect female spade from incoming power wire directly to thermostat terminal. Then see if water heater ignites. If it does, and all works well, get new thermal cut-off. That cut-off is a safety feature in case of flame up at burner, it will shut off gas supply. It is not reset-able, just works once then needs to be replaced.
If that doesn't cure it, take a 12v test light, or a multimeter, and test for power at gas valve, when water heater is trying to ignite, or at ECO terminal where red wire runs from left ECO terminal to gas valve. If power is getting to gas valve, and you don't hear or feel it click, make sure ground connection is sufficient as well. If you have 10.5-13.5 volts to gas valve, and it's not opening and ground is good, then it's faulty and should be replaced. If it is clicking, (opening) but no gas coming through, you may have a plugged orifice on gas valve, provided you have cleaned burner tube of any spider webs or debris previously. If no voltage from red wire, start back tracking with meter or test light to other terminal on ECO, then to terminals on thermostat as well. You'll see how feed wire (short jumper) goes from thermostat, over to ECO. Remember, you will have to hold test light or meter probe at connection and have someone turn on switch to get a reading, which will only appear when it's trying to ignite. Let me know what you find.
Posted on Dec 06, 2010
You are correct, there should be no flame after it shuts off. Pull the + wire off at contacts as well and see if flame remains, if it does, the gas valve is faulty (leaking by) and should be replaced.
Posted on Jul 22, 2011
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