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Old 07-06-2022, 10:26 AM   #1
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Join Date: Jul 2022
Posts: 1
Wink SW6DE Makes 1 tank on LP then goes into lockout.

Hi All,
I have a 2020 sw6de hot water heater. It is LP and Electric.
Electric is fine, no issues.
LP lights, makes a tank normal, then after a minute of finishing the hot cycle it tries to relight...does this 3 times in a few minutes then goes into lockout. It knows it has a full hot tank and that's where my issue is. Something is calling for hot water then something says we have hot water.
If the tank empties it will not turn back on until I reset the power off then back on.

I changed the board(Dinosaur), thermostat and still does it.
It always makes 1 tank then lockout.
Anyone have any idea what else I can look at???
Wifey is not too happy and wants me to just put in tankless, so if I can fix this and she at least gets rejuvenated water continuous then she may be ok

Ideas on what to check next welcome.
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Old 07-06-2022, 10:36 AM   #2
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Join Date: Apr 2011
Location: Powell River, B.C.
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Welcome to iRV2 .

Sorry your first post is about problems .

You've already gone past any suggestions I was going to make so I'll have to get you to wait for our site appliance guru to find your question .

I'll check to see if he's active this morning .

EDIT : I see from the members list he's not in yet ; but he'll be along; and your question is in the right forum for him to find .
99DSDP 3884, Freightliner, XC, CAT 3126B, 300 HP /ALLISON 3060
2000 Caravan toad, Remco & Blue Ox.
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Old 07-06-2022, 11:56 AM   #3
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Yellow wire from circuit board
Green wire to ground stud
DC Neg to Battery

Yellow /Green/DC Neg connections inside the DC Junction Box
*Left side of tank looking from the backside

Spark Electrode...
Make sure the High Tension wire to transformer on circuit board is Clean/TIGHT
When flame ignites......electrode must be engulfed in flame
Check ceramic Insulator for cracks....wipe it down with rag sprayed with silicone

Circuit Board (hope you kept it as a spare) rarely the issue
Usually Wire connections, electrode etc vs the board

Check the AC wire connections in AC Junction Box (right side of tank)
Usually just done with wire nuts and hastily done. Make sure they are tight and then taped so to don't have to go back later
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