How do I get an oven fan working?

hi bill first thing is the warm air out of top is perfectly normal as the heated air needs to be expelled to allow more air to be pulled in by fan(when its workin that is) regards the fan?? could be burnt out motor or bad connection or rotational switch. dont worry just means oven is acting as conventional oven and finger in middle of pie test my be required lololol

automatic
March 2007