20 Most Recent Jenn-Air JJW8530C Expressions Collection Dual Single Oven - Page 9 Questions & Answers

There's a chance that the exhaust ductwork is blocked or crushed. That's the first place I'd look.

Get out the owners manual and there are some symptoms solutions
If you can't find the answer there there is a customer service support line telephone number. You can give them the model number of the stove and he'll give you a method to find out what's wrong it may just be a fuse

It may be possible that the fan blades have built up grease and dust causing a drag on the blade. Clean the fan blade and see if it goes away.

If your oven says "off" it means that your oven has the control lock on. You should just need to press and hold the 2 outside buttons under the display for 10 seconds and the control lock should be removed

F-7 error code means that the Function Key is stuck or shorted out. You will have to replace the touch pad or if the touch pad is part of the clock, you will have to replace the clock (ERC).

27 in wide