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...
Forum Discussion
It sounds like you are using the propane switch and the 120 AC switch at the same time, and when the propane side fails to light the "Failed to light (RED) comes on indicating that it indeed failed to light. `The water heater should continue to heat on 120 AC electric even if the indicator light is ON. A lot of people do run their heater on both for a quicker heat up. Is that what you areding when this happens?
