DSI fault light on panel - Hot Water
I have a 2008 HR Neptune and on the inside panel (where all of the lights and indicators are, I have a 12V switch for hot water and a 120v switch. Above the switches is a small DSI Fault lite. When...
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I agree with Doug also. My water heater did the same thing as topher80 and drcarr57 on my 2005 Holiday Rambler Endeavor. While operating on just electric, the water would get scalding hot and trip the DSI light which pointed me to a bad TSTAT. I replaced both the TSTAT and EOC because you can buy them together in one package for $10 to $14 dollars. Everything’s working as it should again.
