Atwood water heater - immediate fault light (gas)
13-year old Atwood GC6AA-10E hot water heater. 120 VAC works fine. The gas mode shows an immediate fault (red light comes on) when turning on the remote switch. No clicks from the heater; no typical 3 times and then fault. Just immediate red light. It had been working OK until just before the end of last camping season, although it usually took two or three of the "3 strikes and you're out" cycles for initial startup after a lengthy shutdown.
My suspicion is that the control module on the heater has failed, but I would like to trouble-shoot / verify before ordering that part. I have found some YouTube videos about troubleshooting the sparker, thermostat, safety fuse, etc, but nothing about the control module. Can anyone offer any tips about what to look for, or guidance if I am heading in the wrong direction.
I have ordered a new gas tube and thermostat to replace those old components.
Thanks.
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