They just need to #JiggleTheHandle !!
https://cosmosmagazine.com/space/blinded-kepler-all-not-lost
Mission managers have not given up hope of restoring function to one of the failed wheels. “Like any stuck wheel, we could try jiggling it, commanding it back and forth in both directions, or we could try forcing it through whatever the resistance is that’s holding it up,” says Charlie Sobeck, Kepler’s deputy project manager at NASA’s Ames Research Center.