Whirlpool oven E6 F2 code

My oven has had a mind of it’s own for quite a while now- The E6 F2 error code would come up after the oven had been rendered powerless. The oven used to come back on with the error code fairly quickly, now my oven has had a blank screen for a few weeks. I’m pretty sure I need to replace either the control panel or control board, how can I tell which one???

I would replace the control board first because of blank display. It has nothing to do with the control panel.

Here are the breakdown diagrams and http://www.appliancepartspros.com/partsearch/model.aspx?model_id=264816

Gene.

Double post. Sorry.