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Old 07-14-2013, 07:27 AM   #1
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What is this light between my water pump and water heater switches?

I have this little red light right between my water pump and water heater switches. It reads "DSI FLT". Didn't see any thing about it in the manual. Does it have to do with the water pump or water heater? I think I seen it flash on for a short time last time I switched the water heater on. Maybe something to do with a filter? I'll try to post a pic!



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Old 07-14-2013, 07:54 AM   #2
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It should light when water first comes on when is gas mode. It is marked DSI.
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Old 07-14-2013, 07:56 AM   #3
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I believe it is the Direct Spark Ignition Fault Light for the water heater and will illuminate if the water heater fails to lite.
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Old 07-14-2013, 07:59 AM   #4
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My light comes on when I first turn on the WH. Once the heater ignites the light will go off. If it does not go off within a minute or so, I turn off the WH, wait a minute or so and re-try.
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Old 07-14-2013, 08:09 AM   #5
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Quote:
Originally Posted by Toad Haul View Post
My light comes on when I first turn on the WH. Once the heater ignites the light will go off. If it does not go off within a minute or so, I turn off the WH, wait a minute or so and re-try.
x2
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Old 07-14-2013, 08:21 AM   #6
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Quote:
Originally Posted by TheSasks View Post

x2
X3
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Old 07-14-2013, 08:23 AM   #7
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The DSI control board will allow 3 start attempts before lockout.

There is a 15 second propane flush before DSI spark. It will take time for the "Flame Rod" to detect the ignition. If it does all is well and the red light will go out. If not, the red light stays on and 6.8 seconds later and another flush/DSI cycle will start again. This will happen 3 times and can take about 2 minutes to complete all 3 attempts.

While "a minute or so" and 2 minutes sounds like "picking nits"; stand in front of that panel waiting for the light to go out with a stop watch.
It can seem like forever.

Nit-picking - Definition and More from the Free Merriam-Webster Dictionary
Definition provided for youngsters...
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Old 07-14-2013, 08:48 AM   #8
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As always, Nice answer Lou.
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Old 07-14-2013, 09:23 AM   #9
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I was told it stands for "DSI.FAULT". The red light illuminates if the DSI does not ignite the WH gas after three attempts as previously mentioned.
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Old 07-14-2013, 09:55 AM   #10
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A good dealer should have told you this during pdi.
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