Walter, techs as opposed to Diyers, should take the initiative and search the site for answers. Then the brethren here can further provide assistance... you should learn to use the wealth of information first.
If you searched the forums for "whirpool f6 e1" There is information already at this site that may help.
have you searched the dl section for a tech sheet or requested one in the proper forum?
If unable to find anything helpful or need some further explanation, we will be glad to help. Remember, for techs, this site is a workshop/learning academy, not just a tech help line.
A tech may come along and provide you with ideas/help and it takes me longer to write this response than it would to simply provide you with an answer. However just giving you the info will actually be a disservice to you.
Appliantology has an absolutely amazing wealth of information and usually someone has already experienced and talked about your issue... seek it out, read responses and the discussions and watchyour knowledge in the trade grow exponentially.
If you have any questions about searching this issue, let me know, then together we can search the site and discuss the gems of wisdom on your subject provided by the masters in previous threads.
I had searched the site before I posted but was having trouble finding something I hadn't checked. I did find a tech sheet and video on cleaning the board connections at ccu and mcu, after I posted.
I will double check the wires and connectors when I go back.
Noise ended up being some ice around the fan blade in the freezer. Thawed and checked def heater etc then ordered sensor. Refrigerator side started warming up while I waited on parts. Ended up replacing the defrost heater in refrig. side. Everything working well.