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Thread: HELP!!!! No Hot Water
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09-11-2020, 06:16 AM #11
If you have a Suburban water heater, there is a little black switch on the front of the water heater that needs to be turned on. Remove the cover from outside the RV and you should see it. Atwood water heaters dont have that switch.
Sent from my SM-G950U using Tapatalk2023 Momentum 398M-R
2023 Ford F-450
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09-11-2020, 06:17 AM #12
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09-11-2020, 06:21 AM #13
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09-11-2020, 06:21 AM #14
You don’t mention the WH model, but here is a 10 min video troubleshooting a Dometic Atwood GC6AA-10E which is what’s in our unit.
https://www.youtube.com/watch?v=IyJW...ture=emb_title2010 Tundra SR5 DC 5.7L 4x4
2020 Imagine XLS 22MLE
Andersen WDH
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09-11-2020, 06:26 AM #15
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Before I replaced my control board, I read great reviews about this company:
http://dinosaurelectronics.com/UIB-64.html
They make after-market boards, which appear to be much better than the Chinese junk that Dometic uses (if you have a Dometic water heater). They are based in Lincoln City, Oregon and their products are American made.
When I called them, they answered the phone on the third ring, and there was a live person on the other end. When is the last time that happened? The fellow that answered the phone was also a qualified tech. He had me get out my meter and asked me to check the voltages between about 4-5 points on the board. With the readings that I gave him, he determined that it was a faulty board. I thanked him and let him know that I would be ordering one. I went to Amazon and the board was at my home in 2 days. A simple change-out and I’ve been back in business with no further issues.
When your brother gets there, I’d suggest calling Dino boards and have them walk you through the electric checks on the board. The phone number is on the website. That will be a simple way to either lay blame to the board or to rule it out. The board controls both the 120v electric and the spark and gas flow for the propane side.Tom and Janice (known as Tom in PGH on the “other” forum)
First came the 18' Comfort bumper-pull, was great for 20 years.
Now a 2019 Reflection 303RLS, second air, double glass, table and chairs
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Cranberry Twp. PA, about 30 miles north of Pittsburgh
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09-11-2020, 06:44 AM #16
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Somebody correct me if I'm wrong......
In gas mode 12v is used for the electronics and gas is used for the burner.
In electric mode 12v is still used for the electronics but 120v is used for the heating element.
So yes both modes use the same 12v electricity.
Can you even run it with both switches on at the same time or does that confuse the system? I've only run my with either gas or electricity but not both switches at the same time.Last edited by ckreef; 09-11-2020 at 06:46 AM.
Charles and Susan
2021 Ram 3500 Laramie, 6.4 Hemi, 4x4 CCSB
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09-11-2020, 06:51 AM #17
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John & Cheryl
Sold: 2017 Tiffin Allegro 31SA Motorhome
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09-11-2020, 06:51 AM #18
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Also on my Dometic there looks to be a fuse marked ~2~ on the outside board. I didn't try pulling it out but if that really is a fuse do you have one of those and is it blown.
Charles and Susan
2021 Ram 3500 Laramie, 6.4 Hemi, 4x4 CCSB
2021 337rls w/ Andersen hitch.
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09-11-2020, 06:54 AM #19
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09-11-2020, 07:09 AM #20
Last edited by Tigger1; 09-11-2020 at 07:13 AM.
2010 Tundra SR5 DC 5.7L 4x4
2020 Imagine XLS 22MLE
Andersen WDH
Dexter E-Z Flex Suspension Kit
2018 Rockwood Mini Lite 2104s
2014 Jayco x17z Hybrid
Breakaway Switch Question
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