oven not preheating accurately
#1
05-09-18, 10:07 AM
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oven not preheating accurately
My daughter-in-law sent me this email about her oven not preheating accurately. What can I do to investigate & hopefully fix it?
GE oven -- model number is in the pic
Tim - do you know anything about checking oven parts? Ours is taking longer to pre-heat than it used to (& actually says it's pre-heated but my oven thermometer shows it's not...but gets to the right temp eventually). I'm not sure if it's on it's way out or if there's an easy fix. Or if it's worth calling a repair person on. Any ideas? I don't know tons of details, because it's just started hitting me that several things have taken longer to bake than they should've and that's not usually the case with our oven. I just put in the oven thermometer. When the oven beeped saying it was pre-heated to 425, the thermometer read about 325/350. Based on previous baking, I assume it take maybe another 15 mins to actually get to the right temp, and then seems to hold it fine. I don't mind calling somebody or getting a new one if that's the case, but we know so little about it that I don't want to jump to that if there's an easy fix. If you wouldn't mind posting on the forum, that'd be awesome. Thanks!
GE oven -- model number is in the pic
Tim - do you know anything about checking oven parts? Ours is taking longer to pre-heat than it used to (& actually says it's pre-heated but my oven thermometer shows it's not...but gets to the right temp eventually). I'm not sure if it's on it's way out or if there's an easy fix. Or if it's worth calling a repair person on. Any ideas? I don't know tons of details, because it's just started hitting me that several things have taken longer to bake than they should've and that's not usually the case with our oven. I just put in the oven thermometer. When the oven beeped saying it was pre-heated to 425, the thermometer read about 325/350. Based on previous baking, I assume it take maybe another 15 mins to actually get to the right temp, and then seems to hold it fine. I don't mind calling somebody or getting a new one if that's the case, but we know so little about it that I don't want to jump to that if there's an easy fix. If you wouldn't mind posting on the forum, that'd be awesome. Thanks!
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#2
05-09-18, 06:53 PM
Group Moderator
Model # JSP46SP2SS
There is an electronic temperature sensor that sits in the top back of the oven. It changes temperature into a resistance measurement to control the baking control board. Usually when it's defective..... the temperature is just off. It says one thing but the heat is at another place. Rarely does the actual inside temp and the displayed temp match when it's bad.
If the oven is slow to heat..... but eventually gets there.... that's usually caused by a control board problem. In particularly a relay or a relay solder connections on the control board. The element is not always powered every time the relay is closed.
The temp probe is part # WB23T10015. You can google that to see what it looks like and where to get it. That part in the oven can be measured with an ohmmeter. Usually the screw can be removed inside the oven, the probe pulled out, the connecting plug disconnected and checked for proper resistance. The chart below is resistance measure versus heat it's exposed to. You can check it at ambient air temp and then stick the tip into boiling water.
You can find exploded views of your oven in the link below.
The temp sensor is # 253 under the "body parts" tab.
sears parts direct/jsp46sp2ssl
There is an electronic temperature sensor that sits in the top back of the oven. It changes temperature into a resistance measurement to control the baking control board. Usually when it's defective..... the temperature is just off. It says one thing but the heat is at another place. Rarely does the actual inside temp and the displayed temp match when it's bad.
If the oven is slow to heat..... but eventually gets there.... that's usually caused by a control board problem. In particularly a relay or a relay solder connections on the control board. The element is not always powered every time the relay is closed.
The temp probe is part # WB23T10015. You can google that to see what it looks like and where to get it. That part in the oven can be measured with an ohmmeter. Usually the screw can be removed inside the oven, the probe pulled out, the connecting plug disconnected and checked for proper resistance. The chart below is resistance measure versus heat it's exposed to. You can check it at ambient air temp and then stick the tip into boiling water.
You can find exploded views of your oven in the link below.
The temp sensor is # 253 under the "body parts" tab.
sears parts direct/jsp46sp2ssl
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