I have a GE washer that has been in storage for ~3 years with trouuble. When first started, the agitation cycle would barely move back and fourth with a humming sound. The washer will do all other functions, fill, spin, drain, and after running several times, the agitation has gotten better. The stoage was temperature controlled.

Things that i have checked
couple has good splines
the belt has proper tension
the light on the board is green and coinsides with the schematic

I could use some help, also if needed, i can send a pic of the schematic

Thank You
Kevin