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12-23-2019, 09:59 PM
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#1
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Always Learning
Join Date: Nov 2011
Location: Four Corners, FL
Posts: 21,891
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Water heater - DSI fault on electric + propane
It’s been raining pretty hard and blown at times for 2 full days now. Earlier today, my wife noticed the “DSI Fault” light was on in the control panel. I tried the classic computer guy fix, I turned it off and back on.
Came right back on with electric.
And then I tried switching to propane; and the same thing happened.
I almost wonder if the issue is rain intrusion to the water heater. But I haven’t been outside to check.
It’s an Atwood. Any thoughts?
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Officially a SOB with a 2022 Jayco Precept 36C
Checkout my site for RVing tips, tricks, and info | Was a Fulltime Family for 5 years, now we're part-timing on long trips
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12-23-2019, 10:06 PM
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#2
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Site Team
Join Date: Nov 2010
Location: Northeast Louisiana
Posts: 33,960
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Quote:
Originally Posted by ependydad
It’s been raining pretty hard and blown at times for 2 full days now. Earlier today, my wife noticed the “DSI Fault” light was on in the control panel. I tried the classic computer guy fix, I turned it off and back on.
Came right back on with electric.
And then I tried switching to propane; and the same thing happened.
I almost wonder if the issue is rain intrusion to the water heater. But I haven’t been outside to check.
It’s an Atwood. Any thoughts?
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The DSI only applies to the propane. Simple and first thing to check is that you have propane
__________________
 2011 Flagstaff 831 RLBSS
A 72 hour hold in a psych unit is beginning to intrigue me as a potential vacation opportunity.
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12-23-2019, 10:19 PM
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#3
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Always Learning
Join Date: Nov 2011
Location: Four Corners, FL
Posts: 21,891
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Quote:
Originally Posted by wmtire
The DSI only applies to the propane. Simple and first thing to check is that you have propane
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That’s what I told Mandie (wife). I was super confused that it came on with electric.
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Officially a SOB with a 2022 Jayco Precept 36C
Checkout my site for RVing tips, tricks, and info | Was a Fulltime Family for 5 years, now we're part-timing on long trips
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12-23-2019, 10:21 PM
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#4
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Site Team
Join Date: Nov 2010
Location: Northeast Louisiana
Posts: 33,960
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Quote:
Originally Posted by ependydad
That’s what I told Mandie (wife). I was super confused that it came on with electric.
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This post, although pertaining to a Suburban water heater, works similar to an Atwood. It will explain the DSI fault and sequence.
http://www.forestriverforums.com/for...ml#post1644008
__________________
2011 Flagstaff 831 RLBSS
A 72 hour hold in a psych unit is beginning to intrigue me as a potential vacation opportunity.
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12-23-2019, 10:22 PM
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#5
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Always Learning
Join Date: Nov 2011
Location: Four Corners, FL
Posts: 21,891
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Quote:
Originally Posted by wmtire
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Am showing propane on the indicator.
__________________
Officially a SOB with a 2022 Jayco Precept 36C
Checkout my site for RVing tips, tricks, and info | Was a Fulltime Family for 5 years, now we're part-timing on long trips
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12-23-2019, 10:25 PM
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#6
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Always Learning
Join Date: Nov 2011
Location: Four Corners, FL
Posts: 21,891
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This thing is making a high pitch noise.
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Officially a SOB with a 2022 Jayco Precept 36C
Checkout my site for RVing tips, tricks, and info | Was a Fulltime Family for 5 years, now we're part-timing on long trips
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12-23-2019, 10:31 PM
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#7
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Always Learning
Join Date: Nov 2011
Location: Four Corners, FL
Posts: 21,891
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Pulled this fuse right below the wire harness and the noise stopped.
Guess I’ll check to make sure it’s not blown, but if it was- I wouldn’t think the noise would have stopped when I pulled it.
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Officially a SOB with a 2022 Jayco Precept 36C
Checkout my site for RVing tips, tricks, and info | Was a Fulltime Family for 5 years, now we're part-timing on long trips
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12-23-2019, 10:33 PM
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#8
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Site Team
Join Date: Nov 2010
Location: Northeast Louisiana
Posts: 33,960
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I was just editing a pic of an atwood, to show the spark ignitor, which you just posted the other end of that goes to the control module. Is any of this wet?
__________________
2011 Flagstaff 831 RLBSS
A 72 hour hold in a psych unit is beginning to intrigue me as a potential vacation opportunity.
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12-23-2019, 10:34 PM
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#9
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Always Learning
Join Date: Nov 2011
Location: Four Corners, FL
Posts: 21,891
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I’ve never “ohm’d” something before, but this seems to show that this fuse is OK.
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Officially a SOB with a 2022 Jayco Precept 36C
Checkout my site for RVing tips, tricks, and info | Was a Fulltime Family for 5 years, now we're part-timing on long trips
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12-23-2019, 10:36 PM
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#10
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Always Learning
Join Date: Nov 2011
Location: Four Corners, FL
Posts: 21,891
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Quote:
Originally Posted by wmtire
I was just editing a pic of an atwood, to show the spark ignitor, which you just posted the other end of that goes to the control module. Is any of this wet?
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Well, I don’t think so but maybe. I flipped the valve at top to see if that’s where the noise was coming from.
I know I saw water at the bottom of the water heater, so it’s possible.
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Officially a SOB with a 2022 Jayco Precept 36C
Checkout my site for RVing tips, tricks, and info | Was a Fulltime Family for 5 years, now we're part-timing on long trips
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12-23-2019, 10:41 PM
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#11
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Always Learning
Join Date: Nov 2011
Location: Four Corners, FL
Posts: 21,891
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Does not appear to be wet.
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Officially a SOB with a 2022 Jayco Precept 36C
Checkout my site for RVing tips, tricks, and info | Was a Fulltime Family for 5 years, now we're part-timing on long trips
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12-23-2019, 10:46 PM
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#12
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Always Learning
Join Date: Nov 2011
Location: Four Corners, FL
Posts: 21,891
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Flipping the switch on the “gas” results in nothing happening outside. The squealing/high pitch noise goes away when that is turned off. (I probably should have had that off as I was muckingnwith fuses and the wiring harness.)
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Officially a SOB with a 2022 Jayco Precept 36C
Checkout my site for RVing tips, tricks, and info | Was a Fulltime Family for 5 years, now we're part-timing on long trips
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12-23-2019, 10:54 PM
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#13
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Always Learning
Join Date: Nov 2011
Location: Four Corners, FL
Posts: 21,891
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Guess I’m going to need to find a manual and see if I can find what’s up.
__________________
Officially a SOB with a 2022 Jayco Precept 36C
Checkout my site for RVing tips, tricks, and info | Was a Fulltime Family for 5 years, now we're part-timing on long trips
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12-24-2019, 01:35 AM
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#14
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Senior Member
Join Date: Jan 2015
Location: West Michigan
Posts: 641
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HI ependydad it sounds to me like the hot water heater control module has a bad capacitor that is making the whistling noise. I have had to replace a lot of control boards over the years in control systems that we're making the whistling sound. Water, old age, voltage spikes are not friendly to electronics.
If it has failed after it drys out replace it with a dinosaur brand control board. much better made than the ones that the manufacturer uses.
hope This Helps Tim 
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12-24-2019, 10:37 AM
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#15
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Always Learning
Join Date: Nov 2011
Location: Four Corners, FL
Posts: 21,891
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Quote:
Originally Posted by TimVWulp
HI ependydad it sounds to me like the hot water heater control module has a bad capacitor that is making the whistling noise. I have had to replace a lot of control boards over the years in control systems that we're making the whistling sound. Water, old age, voltage spikes are not friendly to electronics.
If it has failed after it drys out replace it with a dinosaur brand control board. much better made than the ones that the manufacturer uses.
hope This Helps Tim |
Thanks for that. I'd love to get the dino board but I'm going to have to put in something that I can find locally today.
__________________
Officially a SOB with a 2022 Jayco Precept 36C
Checkout my site for RVing tips, tricks, and info | Was a Fulltime Family for 5 years, now we're part-timing on long trips
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12-24-2019, 11:24 AM
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#16
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Pickin', Campin', Mason
Join Date: Aug 2015
Location: South Western PA
Posts: 19,149
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I never seen where you said whether you have hot water on electric?
If so, I'm suspecting the control board has gone bad and simply flagged the DSI light on. The board really isn't in play when on electric. While 120v current 'may' run through it, (relay) all controls of water temperature are done via the mechanical/electric stat.
If you have hot water don't worry about the noise until the Dinosaur board arrives.
Even though you may not see water you might try drying the board with a hair drier.
Don't get it too hot.
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12-24-2019, 11:25 AM
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#17
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Senior Member
Join Date: Jun 2013
Location: Between Pickles Gap and Toad Suck, AR
Posts: 6,070
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Quote:
Originally Posted by ependydad
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On mine, this device lies like a wet rug.
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12-24-2019, 01:10 PM
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#18
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Always Learning
Join Date: Nov 2011
Location: Four Corners, FL
Posts: 21,891
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Quote:
Originally Posted by 5picker
I never seen where you said whether you have hot water on electric?
If so, I'm suspecting the control board has gone bad and simply flagged the DSI light on. The board really isn't in play when on electric. While 120v current 'may' run through it, (relay) all controls of water temperature are done via the mechanical/electric stat.
If you have hot water don't worry about the noise until the Dinosaur board arrives.
Even though you may not see water you might try drying the board with a hair drier.
Don't get it too hot.
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No hot water on either gas or electric. Same symptoms- DSI fault light shows. Both gives the same high pitch noise at the control board outside when they're flipped on.
I have a new control board and thermostat from a local RV shop. Same board I can buy online for $110, I just spent $220 for (and that was his discounted "as low as I can go" price). But, you pay for convenience!
I'll try the hair dryer trick before changing the board.
__________________
Officially a SOB with a 2022 Jayco Precept 36C
Checkout my site for RVing tips, tricks, and info | Was a Fulltime Family for 5 years, now we're part-timing on long trips
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12-24-2019, 01:11 PM
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#19
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Always Learning
Join Date: Nov 2011
Location: Four Corners, FL
Posts: 21,891
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Quote:
Originally Posted by BandJCarm
On mine, this device lies like a wet rug.
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You made me chuckle out loud. My wife tried the stove and it worked.
__________________
Officially a SOB with a 2022 Jayco Precept 36C
Checkout my site for RVing tips, tricks, and info | Was a Fulltime Family for 5 years, now we're part-timing on long trips
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12-24-2019, 01:21 PM
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#20
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Site Team
Join Date: Nov 2010
Location: Northeast Louisiana
Posts: 33,960
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__________________
2011 Flagstaff 831 RLBSS
A 72 hour hold in a psych unit is beginning to intrigue me as a potential vacation opportunity.
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