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Old 01-01-2022, 09:05 PM   #1
wls
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Whirlpool Microwave/convection

I have a 2016 CC with the Whirlpool Micro/convection oven. Recently the convection seems like it was not heating up to the set degree. I got a oven thermometer and set the convection to 400, after warming up, and midway thru a 20-minute cook, it only got to 250 degrees. Is there any trouble shooting a guy can do? Thanks
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Old 01-03-2022, 01:44 PM   #2
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First step, in case you haven't already, check to be sure all heating elements are working. Look through a glass door if possible or maybe open and take a quick look inside. They should all be on during warm-up. After warm-up, the elements will cycle off or dim. If all not all heating elements are working, I would expect the oven to warm up slowly and it should continue warming over the 20 minutes. Though it should get closer to the 400F target over 20 minutes so this seems likely not the problem.

If it's a thermostat problem, I would expect the unit to warm up quickly to the operating temperature (the set one or a lower one) and hold there. Hence, if the oven gets to 250 quickly and sits there for the rest of the cooking time, it seems likely the problem is in the thermostat.
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Old 01-06-2022, 12:57 PM   #3
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Originally Posted by Hclarkx View Post
First step, in case you haven't already, check to be sure all heating elements are working. Look through a glass door if possible or maybe open and take a quick look inside. They should all be on during warm-up. After warm-up, the elements will cycle off or dim. If all not all heating elements are working, I would expect the oven to warm up slowly and it should continue warming over the 20 minutes. Though it should get closer to the 400F target over 20 minutes so this seems likely not the problem.

If it's a thermostat problem, I would expect the unit to warm up quickly to the operating temperature (the set one or a lower one) and hold there. Hence, if the oven gets to 250 quickly and sits there for the rest of the cooking time, it seems likely the problem is in the thermostat.
thanks for the info
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Old 01-24-2022, 01:24 PM   #4
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thanks for the info
it doesn't heat up very fast at all, so I think it may be a thermostat problem, thanks
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Old 01-24-2022, 03:01 PM   #5
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I was a bit confusing in my previous post.

If the warm-up is slow, but the temperature eventually does get to the set temperature, the problem is likely a failed heating element and the thermostat is okay.

If the unit warms up quickly enough, but does not get to the set temperature, the problem is likely in the thermostat. I.e., if you need to set the thermostat to 450 to get 300 deg. the thermostat is going out.
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Old 01-24-2022, 03:25 PM   #6
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The DW said this unit, like ours, is a little on the slow side compared to the house oven.

Not your issue.
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Old 01-28-2022, 08:30 PM   #7
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The DW said this unit, like ours, is a little on the slow side compared to the house oven.

Not your issue.
mine use to work great
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Old 01-28-2022, 08:33 PM   #8
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I was a bit confusing in my previous post.

If the warm-up is slow, but the temperature eventually does get to the set temperature, the problem is likely a failed heating element and the thermostat is okay.

If the unit warms up quickly enough, but does not get to the set temperature, the problem is likely in the thermostat. I.e., if you need to set the thermostat to 450 to get 300 deg. the thermostat is going out.
mine is just slow, and it never hits the desired temp, say like I want 350, I prewarm it forever, gets to 200, then over the course of 30 minutes, may hit 300
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Old 01-28-2022, 08:38 PM   #9
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one appliance guy told me, about the heating element, usually they work or they don't. He told he would put a hi limit thermostat, and a high voltage diode. Total of about 17.00, I will put them in, if no improvement, I will be getting a new one.
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Old 01-28-2022, 08:52 PM   #10
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one appliance guy told me, about the heating element, usually they work or they don't. He told he would put a hi limit thermostat, and a high voltage diode. Total of about 17.00, I will put them in, if no improvement, I will be getting a new one.
Electrical elements do usually work or not, though eventually the element does degrade and will have a higher resistance and develop less heat. Like an old incandescent light bulb that eventually gets dim.

I don't know what the diode is all about. A diode in an AC feed cuts the voltage effectively in half. Not sure what a hi-limit thermostat is; maybe a backup one that will cut out if things get too hot? I'd need to know a lot more if this were my oven.

Given the potential fire hazard from a not fully copasetic oven, and to avoid going inside of the unit. My recommendation would be to upgrade to a new oven. Hopefully you can find one that fits nicely.
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Old 01-28-2022, 09:02 PM   #11
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Electrical elements do usually work or not, though eventually the element does degrade and will have a higher resistance and develop less heat. Like an old incandescent light bulb that eventually gets dim.

I don't know what the diode is all about. A diode in an AC feed cuts the voltage effectively in half. Not sure what a hi-limit thermostat is; maybe a backup one that will cut out if things get too hot? I'd need to know a lot more if this were my oven.

Given the potential fire hazard from a not fully copasetic oven, and to avoid going inside of the unit. My recommendation would be to upgrade to a new oven. Hopefully you can find one that fits nicely.
They do have a upgraded one, which I will buy if needed
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Old 01-29-2022, 12:24 PM   #12
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well the micro/convection must know I have 2 parts to install. Today I was going to cook some biscuits, (350) started the warmup, maybe for 5 minutes, put the biscuit's it, and fairly fast it got to 350, actually about 360, so I will try it some more before tearing into it, if needed.
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Old 01-29-2022, 01:51 PM   #13
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well the micro/convection must know I have 2 parts to install. Today I was going to cook some biscuits, (350) started the warmup, maybe for 5 minutes, put the biscuit's it, and fairly fast it got to 350, actually about 360, so I will try it some more before tearing into it, if needed.
You might have dodged a bullet ... though the performance being inconsistent hints at a thermostat issue, specifically, electrical contacts that are not being smartly closed and opened, maybe due to contact age or an indecisive bimetallic strip. Contacts not making well can generate sparks. I'd keep an ear on things. Listen for a clean click when the thermostat contacts close and open. Any buzzing could mean arcing.
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Old 01-29-2022, 06:21 PM   #14
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You might have dodged a bullet ... though the performance being inconsistent hints at a thermostat issue, specifically, electrical contacts that are not being smartly closed and opened, maybe due to contact age or an indecisive bimetallic strip. Contacts not making well can generate sparks. I'd keep an ear on things. Listen for a clean click when the thermostat contacts close and open. Any buzzing could mean arcing.
thanks, just made some muffins, worked well. I'll keep an ear on it though
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