Oven switching off

Hello Ally;

My name is Peter. I am a retired field service appliance technician.

You may not have a problem. Normally your oven will rise about 40 degrees F. above the set temperature and then shut down, until the oven temperature falls 40 degrees F. below the set temperature, then the oven turns back on.

Your oven temperature is controlled by you oven thermocouple.

You also have a high temperature limit switch, which turns the fan on when you go too far above the set temperature to vent the oven. This may be bad.

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Hello Peter;

My name is Peter. I am a retired field service appliance technician.

I recently repaired a oven that would be off as much as 200 degrees. The normal operation of your oven is to rise 20-40 degrees above set temperature and shut down until it drops 20-40 degrees below set temperature, turns back on and repeats the cycle again.

Generally, there are only three components that control your oven temperature:

1.) The Heating Element - If you are getting heat your heating element may be good. To be on the safe side inspect the two connections on the back wall to ensure they are not corroded.

2.) The Thermocouple - There are several different thermocouples depending on your model and if your have gas or electric. These are easily replaced.

3.) Oven Control - Here again there are several different controls, both mechanical or digital.

I just purchased a oven thermocouple and a reconditioned digital control over the internet for under $75.00.

IF YOU HAVE A DITIGAL CONTROL - GROUND YOURSELF BY TOUCHING BARE METAL. STATIC ELECTRICITY WILL KNOCK OUT A BOARD.

So, go into the following website put in your model number and select parts. Several diagrams with part numbers will appear. Your model number is on a metal plate on the face of your oven after you open the door.
Fine your thermocouple and oven control. Copy these part numbers and search the internet for best price.
First, replace the thermocouple. If this solves your problem then return the control for credit if not install the oven control. The highest probably is you have a bad thermocouple

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I will say that is the control board that is not working properly. Have you try to unplugged for phew minutes?, this will reset the current settings. If not, I will star replacing the control board. Good Luck!.

if it is an electronic timer temp controller you might want to check it

Unplug the stove. plug back in and program a short clean cycle. If this does not fix it is eithe the selector switch or the electronic control. Verifying the switch contacts with a meter is the only way to be sure.
Eric

Technician just left our house with same issue. Jenn-Air had issued a technical bulletin as the temperature probe is mounted directly to the heating element, and measures the heat of the element, not the oven. Their fix is a revised temperature probe that goes at a 90 degree angle away from the heating element.

If your temperature is consistent, just off by a set amount of degrees, there is an adjustment you can make at the control panel.

Could be caused by either of following;

1. Faulty thermostat.
2. Faulty thermal cut out switch. (controls power to cooling fan).
3. Faulty cooling fan (not fan inside oven).

Test thermostat by setting thermostat to low temperature like 60 oC. If oven gets much hotter then its a faulty thermostat.
To test cooling fan and thermal switch take oven out and remove top or rear panels to expose components.
When oven gets hot the cooling fan should turn on. If it doesn't then check to see if there is a mains voltage present.
If mains current exist but fan is not turning then replace fan. If mains voltage is not present then its the thermal switch.

I sorted it it is a simple solution, if you take the top of your oven you should see the problem...it will be big and black..dont spend a ortune getting it sorted i brought the part off ebay for less than a fiver.. just cant remember what it was called..very simple to fix though.  Mike