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Old 07-08-2012, 06:20 AM   #1
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propane question

when I have my water heater on gas and use the stove the water heater goes into default any ideas why?
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Old 07-08-2012, 07:57 AM   #2
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Could you be a bit more specific about what you mean by default?
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Old 07-08-2012, 08:36 AM   #3
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Is it possible that the valve on the bottle is not completely opened? If it is, you might have a faulty regulator.

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Old 07-08-2012, 02:32 PM   #4
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Could you be a bit more specific about what you mean by default?
on the panel there is a red light next to the rally hot water heater that says dsi fault it comes on when I turn on the stove or fridge on gas
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Old 07-08-2012, 02:55 PM   #5
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on the panel there is a red light next to the rally hot water heater that says dsi fault it comes on when I turn on the stove or fridge on gas
The light will come on while the dsi (direct spark ignition) is lighting the water heater. As soon as the water heater lights, the light will go off.
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Old 07-08-2012, 03:13 PM   #6
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The light will come on while the dsi (direct spark ignition) is lighting the water heater. As soon as the water heater lights, the light will go off.
i understand how it works and that part works ok it's after it is lit and working I use the grill or stove the light comes on and stays on until I reset set it when I am done with the grill. it's like there is not enough gas to run both
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Old 07-08-2012, 04:02 PM   #7
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i understand how it works and that part works ok it's after it is lit and working I use the grill or stove the light comes on and stays on until I reset set it when I am done with the grill. it's like there is not enough gas to run both
Have you checked when the light comes back on if the wh is trying to start? I don't think there is any connection between the dsi and a bbq grill or the inside stove. Puzzling!
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Old 07-08-2012, 04:04 PM   #8
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Sounds like a regulator problem.
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Old 07-11-2012, 05:37 PM   #9
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It does sound like the gas supply is not adaquate to run more than one thing at a time. Check to make sure the valve is fully opened and no lines are pinched or restricted. Next, I'd switch tanks just to see if that made any difference. The only thing left would be the regulator.
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Old 07-11-2012, 06:00 PM   #10
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A suggestion:

All new propane tanks have a safety circuit in the bottle to shut off gas flow when a leak is detected. Opening the valve at the top of the tank too rapidly can trigger the valve to shut "mostly closed".

A leak, of course, can also trigger the safety shut off.

When the DSI Fault light comes on, does the flame on the burner go "low"?

The safety valve does not cut gas off completely; just "mostly."

Try closing both valves on your tanks; CRRRRRAAAAAACCCCKKKK the valve VERY slowly (like 10 seconds to open it 1/8th of a turn).

Light a burner in the stove and set it on high.
Light a couple more. My stove has 3 burners and I would run them all.

Watch the flame height carefully and have someone turn on the hot water heater. The DSI Fault light should come on as the water heater calls for heat. The stove burner flames should NOT go down.

After the water gets hot, the DSI Fault light should go out when the flame shuts off. This could take a while if the water was cold to start with.
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