Question about RTO Atwood DSI-RV Water Heater-6 Gallon
I have an Atwood GCA6AA Combination 110VAC/LP gas w/ electronic ignition. Manufactured 5/13/08. It was operated without being full of water. The 110V still heats but the gas operation appears to be locked out. I have 12VDC at the control panel. I have jumpered the thermal cut-off to no avail. I have 12VDC to the circuit board thru the BRN 3 wire. Is there a way to reset the ECO switch? Is the pricey circuit board the next step.?
Posted on Jul 22, 2010
Try opening the pressure relief valve (carefully so you don't burn yourself) slightly, and see if water comes out and if it is hot. It sounds like you may have very little if any water in there. Check by-pass valves at back of water heater for proper positioning. Cold should go in the bottom, hot out the top. Make sure there is flow through any valves going into bottom, and any valve at the top.Any valves connected in between the hot and cold should be in the off position. If need be, to test if incoming cold water getting into tank at bottom fitting, shut off water, relieve pressure in system by opening taps until all pressure is gone. then close all taps. Now remove your drain plug, then turn water back on, and water should shoot out the drain plug hole with good pressure within a few seconds and flow steady while water on. If not you have a restriction such as valve in wrong position or faulty, so try moving valve to get better flow out drain plug. If flow out drain is good, then make sure valve at top fitting on back of tank (if any) is also open for good flow . Any other valves should be closed in between those 2 lines. Let me know what you find.
Posted on Jul 20, 2010
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Posted on Jan 02, 2017
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