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Old 07-14-2013, 06:27 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, 06:54 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, 06:56 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, 06:59 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, 07:09 AM   #5
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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.
x2
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Old 07-14-2013, 07:21 AM   #6
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x2
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Old 07-14-2013, 07:23 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.

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Old 07-14-2013, 07:48 AM   #8
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As always, Nice answer Lou.
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Old 07-14-2013, 08:23 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, 08:55 AM   #10
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A good dealer should have told you this during pdi.
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Old 07-14-2013, 08:59 AM   #11
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If not, the red light stays on and 6.8 seconds later and another flush/DSI cycle will start again.
I timed mine at 6.69 secs.
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Old 07-14-2013, 09:05 AM   #12
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A good dealer should have told you this during pdi.
If the dealer didn't tell you about the DSI/propane option, he may have also omitted the part about the electric heating element portion of the water heater too (if equipped with an applicable type Suburban brand water heater).

This may help:

http://www.forestriverforums.com/for...ore-36197.html
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Old 07-14-2013, 09:08 AM   #13
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Originally Posted by wmtire View Post

If the dealer didn't tell you about the DSI/propane option, he may have also omitted the part about the electric heating element portion of the water heater too (if equipped with an applicable type Suburban brand water heater).

This may help:

http://www.forestriverforums.com/for...ore-36197.html
Good point!
Or that they can be used together "gas and electric" for faster hot water recovery.
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Old 07-14-2013, 09:08 AM   #14
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Ah yes that makes it all clear. thanks for all the replys.

I was thinking the same thing f1100turbo, he kinda left me out on a few things that i'm slowing figuring out.
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Old 07-14-2013, 09:30 AM   #15
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I was thinking the same thing f1100turbo, he kinda left me out on a few things that i'm slowing figuring out.
The FAQ sections of these forums are a great place to start, in learning about many aspects of your travel trailer. It contains a wealth of information collected from the great members here.

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Old 07-14-2013, 09:38 AM   #16
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I've picked up allot of good things from that section, thanks to all. Allot from my old 2007 Keystone TT has carried over to this new Salem, but theirs still allot that has changed over the years. Glad to be a member of this forum.
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Old 07-14-2013, 09:42 AM   #17
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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.
B-47,

That is true and some installations actually label the light "Fault"; but it is more than that. It lets you know that 12 volt power is going to the control board, the unit is calling for heat, and the flame has not started yet. It does not say "it won't"; just that it has not.

In fact, even with the water hot, that light will illuminate by itself when the water cools to the low point thermostat and calls for heat. Once the flame lights it will go out by itself.
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Old 07-14-2013, 02:18 PM   #18
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B-47,

That is true and some installations actually label the light "Fault"; but it is more than that. It lets you know that 12 volt power is going to the control board, the unit is calling for heat, and the flame has not started yet. It does not say "it won't"; just that it has not.

In fact, even with the water hot, that light will illuminate by itself when the water cools to the low point thermostat and calls for heat. Once the flame lights it will go out by itself.
Ok - thanks for the additional information. I never look at it after the initial start up of the WH during the day so unless it happens to illuminate momentary and I see it after the initial start up I won't see it.
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