Hello from Just Answer and the Appliance Catigory
My name is Woody.
I will be glad to assist you today.
I have been servicing ALL Major Brands of Appliances for 36 Years, I own my own Appliance repair Company
And I teach appliance repair at a local Community College.
I have over 100,000 plus in home repairs and over 80,000 internet repairs under my belt.
You will be paying me for my ANSWER to your Appliance Question,, Not for the repair of your appliance hence the name of this site Just Answer.
I will do my best to take the information that you provide to me and make a Diagnosis for you to be able to repair your own Appliance.
Ok if you can not get any other cycle to operate other then a spin mode.
You have a faulty timer assembly.
And it will need to be replaced.
The link below is to the part you will need from a highly recommended company rated A+ with the Better Business Bureau.
They offer a 100% money back guarantee, EVEN ON INSTALLED ELECTRICAL PARTS, for an entire year!
They are the only company to allow returns on installed parts for a refund and offer a FULL ONE YEAR WARRANTY!
The instructions on how to remove the knob are printed on the rear of the timer casing . If you have any questions just reply back.