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Old 04-04-2019, 02:01 PM   #1
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Suburban WH wont ignite

Saw a few other posts regarding the WH not igniting. I dont think my WH is under warranty anymore, 2yrs old. Works fine on electric, but wont "click" to ignite on gas. gas is coming thru, as i can smell it. Saw a mention of control board. where can i find this board to look at it? 2017 EVO T2700.
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Old 04-04-2019, 03:31 PM   #2
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I bet anything that it's your 10 pin board, I had to replace mine for the same thing. In fact they are so bad and made in China that I carry a spare. Should be up in the right hand corner with 2 molded plugs.
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Old 04-04-2019, 03:37 PM   #3
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Locate the control board. There should be a piece of foam tape on the backside when you remove the board from the casing. Peel the tape off. Look for a burned spot on the board. Pretty common.
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Old 04-05-2019, 06:57 AM   #4
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Witch Doctor,
This might be a stupid question, but when you say right hand corner, do you mean with the water heater pulled out? I dont see anywhere on the water heater with it installed, that might have the board, or access to it. Thanks for the advice.
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Old 04-05-2019, 07:40 AM   #5
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You need to access the water heater from inside the coach. You usually have access from a cabinet or can remove a panel and gain access. You won't see the board we're talking about from the panel on the outside of the coach.
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Old 04-05-2019, 07:53 AM   #6
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Quote:
Originally Posted by richcampos View Post
Witch Doctor,
This might be a stupid question, but when you say right hand corner, do you mean with the water heater pulled out? I dont see anywhere on the water heater with it installed, that might have the board, or access to it. Thanks for the advice.
The actual module board can be mounted in various locations behind the water heater. It may be taped to the water heater, attached to a framing member of the RV, or just laying loosely on top of the heater or on the floor. Just depends on what the particular installer did that day. Suburban provides a length of wiring to the circuit board to allow various mounting locations. Sometimes, the problem you state can just be a loose wire/plug connection at the module board or ignitor. The RV bouncing down the road can cause these wires to become loose, especially if the module board it not attached to anything...and it just bounces around somewhat.

This post will show the module board and things to look for in it's location and on the circuit board itself. You can remove the board and have it tested too, at a RV dealer with a module board tester.

Gas/Electric water heater issues.

If you read the entire thread I linked to for the post above, it may give you some other ideas on what to simply look/test for in troubleshooting your Suburban water heater.

Hope it helps.
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Old 04-05-2019, 01:14 PM   #7
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My advice to you, IF your control board is fried is to purchase a board made by Dinosaur Electronics.. They make boards for most all products in your RV.

They are better made than the Chinese boards the manufacturers put in their products and cost about the same as a replacement Chinese board.

https://www.dinosaurelectronics.com/
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Old 04-05-2019, 03:57 PM   #8
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Dinosaur Electronics' Customer Service is also beyond OUTSTANDING! They will help you diagnose and determine precisely what you need before you buy.

Just give them a call and they will be more than happy to assist you.
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Old 04-08-2019, 09:52 PM   #9
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Thanks again everyone. Got the new dinosaur board in today. Installed and water heater fired on first try. Only thing now is new board doesnt fit the original plastic cover. Does it need it?
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