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Author Topic: Accubake gas oven issue! Help!!!  (Read 4332 times)

Offline AggielandApplianceRepair

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Accubake gas oven issue! Help!!!
« on: April 16, 2014, 06:44:22 PM »

Model WFG374LVS1

Oven lights then immediately goes out. I followed the DSI flow chart and replaced the gas valve. Both the old and new gas valve ohmed out the same, however, the new gas valve makes a rattling sound and the problem still persists.

Anybody have experience with this issue?

Offline Jasper Dennison

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Re: Accubake gas oven issue! Help!!!
« Reply #1 on: April 16, 2014, 07:15:35 PM »
       
           
            Some of those oven have a thermo coupler effect in the oven gas valve, if it does not sense that the flame is on usually thru the igniter then it shuts off the gas to the burner, possible spark module issue? If I am not mistaken that spark module should try and reignite the flame if it goes out. I am not aware of a way to test the spark module, That part# is 9758080. Hope this is helpful!

Offline AggielandApplianceRepair

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Re: Accubake gas oven issue! Help!!!
« Reply #2 on: April 16, 2014, 07:27:58 PM »
Both the broiler and bake do this. No sparking after flame goes out

Offline Jasper Dennison

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Re: Accubake gas oven issue! Help!!!
« Reply #3 on: April 16, 2014, 07:31:10 PM »
Does it light for a second or two then the flame goes out?

Offline AggielandApplianceRepair

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Re: Accubake gas oven issue! Help!!!
« Reply #4 on: April 16, 2014, 07:37:02 PM »
Yes!

Offline Jasper Dennison

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Re: Accubake gas oven issue! Help!!!
« Reply #5 on: April 16, 2014, 07:52:35 PM »
The flame sensor is not sensing that the oven has lit and therefore shuts off the gas, I am pretty confident that the spark module is what senses the flame thru the igniter. I do not have a wiring diagram in front of me so I can not tell you with 100% certainty. It would be unlikely that you had 2 bad gas oven valves, I have only changed about 5 or 6 over the past 8 years. The only other common part to both bake and broil is the spark module.

Offline Jasper Dennison

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Re: Accubake gas oven issue! Help!!!
« Reply #6 on: April 17, 2014, 07:23:08 AM »
While searching thru some info on web I came across These Service pointers for Whirlpool, hope you find these helpful.

Offline AggielandApplianceRepair

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Re: Accubake gas oven issue! Help!!!
« Reply #7 on: April 17, 2014, 08:14:23 AM »
Thanks! I am going to take a another stab at it.

Offline AggielandApplianceRepair

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Re: Accubake gas oven issue! Help!!!
« Reply #8 on: April 17, 2014, 08:19:34 AM »
So... Does the ignitor act like a thermocouple or a flame sensor?

Offline Jasper Dennison

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Re: Accubake gas oven issue! Help!!!
« Reply #9 on: April 17, 2014, 08:29:24 AM »
Flame sensor is what the documentation says, it seems like it is not sensing the flame thru the igniter. DSI are in my opinion the hardest to trouble shoot. The problem is with bake and broil, which makes me want to rule out all pointers except the one mentioning grounding of the spark module. The other two are bake burner only related, I still think it is spark module issue. Sorry I can not be more helpful.

Offline AggielandApplianceRepair

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Re: Accubake gas oven issue! Help!!!
« Reply #10 on: April 17, 2014, 08:40:49 AM »
Thank you so much. The weird thing is when I ohmed the new gas valve it had readings in the 140 range vs the 216 ohms you read about. But the old gas valve had the same readings. Another weird thing is the new gas valve rattles a lot when activated. You could be on to something with the ground. Low dc voltage causing solenoid to rattle?

Offline Jasper Dennison

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Re: Accubake gas oven issue! Help!!!
« Reply #11 on: April 17, 2014, 08:46:57 AM »
I have not heard one make any noise before, because it lights and then goes out is why I am thinking flame sensor circuit. If I find any more info I will let you know, good luck!!

Offline AggielandApplianceRepair

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Re: Accubake gas oven issue! Help!!!
« Reply #12 on: April 17, 2014, 09:01:20 AM »
It's def the new gas valve rattling. I'm headed there to make a makeshift ground. Will report later

Offline AggielandApplianceRepair

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Re: Accubake gas oven issue! Help!!!
« Reply #13 on: April 17, 2014, 01:49:24 PM »
Not a ground issue  :(

Offline AggielandApplianceRepair

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Re: Accubake gas oven issue! Help!!!
« Reply #14 on: April 18, 2014, 06:47:36 AM »
Got it! Spark Module.  Symptom with the DSI establishing a flame and then turning off. I followed the diagnostic flow chart and changed gas valve out. Flow chart is gull of shit if you ask me. Thanks guys for your input!

Offline AggielandApplianceRepair

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Re: Accubake gas oven issue! Help!!!
« Reply #15 on: April 18, 2014, 06:48:28 AM »
Correction, thanks jasper for your input. Lol

Offline Jasper Dennison

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Re: Accubake gas oven issue! Help!!!
« Reply #16 on: April 18, 2014, 07:16:46 AM »
    Anytime, flow charts are a good guide but experience is the best teacher!

Offline Wedgeman55

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Re: Accubake gas oven issue! Help!!!
« Reply #17 on: April 23, 2014, 04:08:20 AM »
One important thing on these DSI stoves - the plug has to be right --  meaning  the ground,  hot and neutral have to be correct.   If you have a bad ground, or reversed neutral ,   the oven may not work right.    (a whirlpool trainer told us this several years a go at a class) -   Use a tester (you plug it in,  shows if outlet is wired correctly with a series of lights)   These testers cost only 5 or 6 bucks and I keep one in my meterbag at all times.     

Had a stove,  couldn't figure out right away a few years ago.   Turned out,  they were remodeling basement,   changed out an outlet in basement,  and it reversed polarity in the kitchen outlet.    Once fixed,   worked fine.   Just something to keep in mind.   
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Offline AggielandApplianceRepair

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Re: Accubake gas oven issue! Help!!!
« Reply #18 on: April 23, 2014, 07:07:26 AM »
Yes, thank you. I just love figuring out stuff like that. Lol

Offline bagjr387

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Re: Accubake gas oven issue! Help!!!
« Reply #19 on: April 23, 2014, 05:23:09 PM »
A couple of things I want to add :cheers:

The spark ignitor has another term with it: flame rectification. The flame can actually be used to send a "signal" (by completing a circuit) to the module to tell it that its lit.

another thing, there is a huge issue with grounding( as mentioned). One thing I have been doing is putting a 3 or 4 inch piece of 14 gauge wire and screwing it into the chassis at the back of the range. Right where the orifice is there is a screw on the side of the "air hole" in the burner, I attach the wire to there and tie it into the chassis. The grounding screw at the front of the range on the burner tends to loosen up from heat, and I believe this is the best way to make this go away
« Last Edit: April 23, 2014, 05:23:47 PM by bagjr387 »