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SF367LXSB Whirlpool gas oven not staying maintaining temperature

kubie

Premium Member
Joined
Mar 23, 2020
Messages
9
Location
Vernon Hills, Illinois
Model Number
SF367LXSB
Brand
Whirlpool
Age
6-10 years
I have a 10 year old Whirlpool gas oven (model SF367LXSB) and it isn't keeping temperature. I will ignite every time but and usually gets to temperature after about 25 minutes. Sometimes I click stop and then restart the oven trying to get it to temperature. After a while the temperature slowly drops to around 200 or lower.

I replaced the valve last October with a whirlpool valve. I replaced the temperature probe this past weekend. The problem is still there.

I am not sure what to replace next but I don't want to throw another valve at it.

Thanks,
 

rickgburton

Appliance Tech - Moderator
Staff member
Joined
Jul 11, 2006
Messages
39,108
Location
Murray, Utah 84107, United States
Unplug your range first! On the gas valve, measure the resistance between the middle terminal and each outer terminal. Your meter should indicate 216Ω for both measurements.

DirectSparkGasValve.jpeg


Here's the gas valve for your model:
WP9763716 Gas Valve


If the valve checks good, access the DSI board's J1 connector (in the console). Start a bake cycle and check for 8- 18 VDC across pins 1-2. Check for 120 VAC between pins 4-6

C-DSI Gas Range.jpg


Here's the spark module(DSI board) for your model:
Spark Module WPW10331686
 

kubie

Premium Member
Joined
Mar 23, 2020
Messages
9
Location
Vernon Hills, Illinois
I have 208 ohms in on the valve.
I have -9.8vdc on pins 1 and 2.
(I am little hesitant on testing Vac because if i don't get a good connection, a spark will short the board.)

Do I have to wait for the oven symptoms of not keeping temperature to occur to test the voltages?
 

rickgburton

Appliance Tech - Moderator
Staff member
Joined
Jul 11, 2006
Messages
39,108
Location
Murray, Utah 84107, United States
...a spark will short the board
Probably not unless you short two connections together. Go in through the back of the connector and make sure your meter is on VAC.
safety pin 500x250.jpg
 

rickgburton

Appliance Tech - Moderator
Staff member
Joined
Jul 11, 2006
Messages
39,108
Location
Murray, Utah 84107, United States

kubie

Premium Member
Joined
Mar 23, 2020
Messages
9
Location
Vernon Hills, Illinois
It cook cupcakes that normally take 15 minutes at 25 minutes.
It ends in zero so it looks like the control board is not available.
 

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rickgburton

Appliance Tech - Moderator
Staff member
Joined
Jul 11, 2006
Messages
39,108
Location
Murray, Utah 84107, United States
I replaced the temperature probe this past weekend.
Measure the resistance at room temperature. It should be 1100 Ω. Just because it's new doesn't mean it's good.
 

kubie

Premium Member
Joined
Mar 23, 2020
Messages
9
Location
Vernon Hills, Illinois
I tested again. I am geting -9.1vdc and 121vac. I do hear it clicking to ignite. It click twice,
it isn't getting very hot still.

I haven't replaced the igniter yet. Only the valve and the probe.
Being locked inside because of stay-at-home order, and not being able to bake is rough.
 

kubie

Premium Member
Joined
Mar 23, 2020
Messages
9
Location
Vernon Hills, Illinois
also, I just noticed the volate on the spark board going to zero after a while.
is it supposed to be at 9vdc the entire time when in bake mode?
 

rickgburton

Appliance Tech - Moderator
Staff member
Joined
Jul 11, 2006
Messages
39,108
Location
Murray, Utah 84107, United States
...... is it supposed to be at 9vdc the entire time when in bake mode?
Only when the control is calling for heat. When the oven sensor is satisfied the control shuts down the voltage to the DSI board. If the sensor tests good the control board is bad.
 
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