GE Profile JTP56 Electric Double Oven "roasting time beef roast" Questions

...it normal, that as soon as I start the oven the fan is starting also and it get quiet long time after the cooking is finish. In the middle of cooking roast beef I get a display of E1 F2. Help

...time for something. I messed with it and it disappeared, however the old part started failing this way as well before I got the F7 alarm. I have been able to make a roast beef and 1 batch of cookies, ...

...time for something. I messed with it and it disappeared, however the old part started failing this way as well before I got the F7 alarm. I have been able to make a roast beef and 1 batch of cookies, ...