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offgrid 
Senior Member 
Joined: 23 Jul 2018 Online Status: Offline Posts: 5290 |
 Topic: 2017 171. Hot water won't stay lit.Posted: 27 Jan 2019 at 1:43pm |
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Me either. Just trying to use the same name they are. Maybe they call it that because it also functions as a flame sensor?
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1994 Chinook Concourse
1995 RV6A Experimental Aircraft 2015 Rpod 179 - sold |
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GlueGuy
Senior Member
Joined: 15 May 2017 Location: N. California Online Status: Offline Posts: 2631 |
Posted: 27 Jan 2019 at 1:26pm |
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Oh. You're (and they) calling the igniter an electrode. Sorry, not how I think about it.
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bp
2017 R-Pod 179 Hood River 2015 Ford F150 SuperCrew 4WD 3.5L Ecoboost |
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offgrid
Senior Member
Joined: 23 Jul 2018 Online Status: Offline Posts: 5290 |
Posted: 27 Jan 2019 at 12:08pm |
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Yeah GlueGuy, there is. They call the DSI device an electrode. It also acts as a flame sensor. I agree that the terminology is somewhat misleading.
https://www.amazon.com/Suburban-232258-2-Prong-Electrode-Assembly/dp/B003G9IYQY?ref_=fsclp_pl_dp_5
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1994 Chinook Concourse
1995 RV6A Experimental Aircraft 2015 Rpod 179 - sold |
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GlueGuy
Senior Member
Joined: 15 May 2017 Location: N. California Online Status: Offline Posts: 2631 |
Posted: 27 Jan 2019 at 11:25am |
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There is no "electrode" for the gas part; only electric. There is a sacrificial rod to prevent electrolysis though. The sacrificial rod does not directly affect operation.
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bp
2017 R-Pod 179 Hood River 2015 Ford F150 SuperCrew 4WD 3.5L Ecoboost |
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offgrid
Senior Member
Joined: 23 Jul 2018 Online Status: Offline Posts: 5290 |
Posted: 27 Jan 2019 at 7:30am |
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The electric and gas are completely independent systems so the electrode could be bad and have no effect on the electric side of the water heater.
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1994 Chinook Concourse
1995 RV6A Experimental Aircraft 2015 Rpod 179 - sold |
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clickscrazy
Senior Member
Joined: 09 Aug 2017 Location: FL Online Status: Offline Posts: 106 |
Posted: 27 Jan 2019 at 7:22am |
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Pod is out of warranty, but suburban HWH is still under.
Just trying to decide if its worth dealing with it or should I just buy the board. If the HWH works on electric, would the electrode still be bad?
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2018 R-Pod 171
2014 VW Touareg TDI |
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offgrid
Senior Member
Joined: 23 Jul 2018 Online Status: Offline Posts: 5290 |
Posted: 23 Jan 2019 at 4:31am |
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If you're out of warranty and want to fix it yourself the circuit boards are about $75 on Amazon and the electrodes are $15.
The troubleshooting guide points you at the electrode first and has some cleanup instructions. I'd suggest doing that first especially since you've already had crud in there. If that doesn't work then the next step is probably just to replace the board, as others here have suggested.
The comments on Amazon and various RV websites seem to indicate that there have been a lot of issues with these boards, some folks having replaced them more than once. There is an aftermarket board that seems like it might have a better reputation, cost is only a few $ higher. https://www.dinosaurelectronics.com/ If it was me, I'd replace the electrode while I was in there, its only another $15 and apparently bad electrodes can sometimes kill the circuit boards. |
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1994 Chinook Concourse
1995 RV6A Experimental Aircraft 2015 Rpod 179 - sold |
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Wepod
Groupie 
Joined: 07 Feb 2017 Online Status: Offline Posts: 82 |
Posted: 22 Jan 2019 at 4:20pm |
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Sounds like the control board. I had thr same problem last year with our 2017 pod. Luckily it was still on warranty and it was replaced for free. I got it repaired on a trip in Utah at a local rpod dealer they said they had done several so far that year so there may have been a "bad batch of boards" took all of about half hour to do.
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offgrid
Senior Member
Joined: 23 Jul 2018 Online Status: Offline Posts: 5290 |
Posted: 22 Jan 2019 at 3:09pm |
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Here's the service manual if you want to keep at it further.
http://waterheatertimer.org/pdf/Suburban_Water_Heater_Service_Manual.pdf Reading the DSI troubleshooting section it looks like it could be the flame sense electrode. There is a 6.8 second trial period after the burner is lit. The electrode sends a few microamp signal to the DSI control board when it senses the flame is lit and if not it will go through the lockout cycle. A regular multimeter won't measure currents that low, but short of buying a microammeter there are a couple of suggestions of things to try including cleanup of any crud and corrosion and assuring proper grounding.
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1994 Chinook Concourse
1995 RV6A Experimental Aircraft 2015 Rpod 179 - sold |
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StephenH
podders Helping podders - pHp
Joined: 29 Nov 2015 Location: Wake Forest, NC Online Status: Offline Posts: 6293 |
Posted: 22 Jan 2019 at 2:33pm |
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Contact Forest River to see if there is an authorized repair place near you that might be able to address this earlier. |
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StephenH
Happy is the man that findeth wisdom,... ouR escaPOD mods Former RPod 179 Current Cherokee Grey Wolf 24 JS |
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2017 171. Hot water won't stay lit.