I had a question on this from Rich in CA on his Frigidaire "Skinny-Mini" Laundry Center. The email was diverted to my spam folder based on some bizarre Yahoo! criteria but I found it tonight so better late than never, here are the scans of the Laundry Center manual concerning a problem with slow-spinning.
First the diagnosis section gives a few possible places to check for trouble:

First the diagnosis section gives a few possible places to check for trouble:



