wiring diagram for hotpoint dd2844cbl 869991023000 s/n 492020001856

just been to a hotpoint double oven cx said no heat in m/o ,dead element so changed now no power to fan element.all other parts of oven work ie conv /grill elements stat lights up for all others but not for fan element.checked all the components but everything checks out ok switchbank ,stats , wiring ect, she advised nobody else has been playing with it !!!!!