8:15am the #3 Hoist went down.RexRoth card in the West Manifold Cabinet that regulates the pressures for the west calipers went bad.DHS was not able to see the pressures on the west brakes and would not reset.MSHA called at 8:30a. Mine Evac called at 9a. The card was changed and the pressures reset. Completed 2 test trips with no issues and then sent everyone back into the mine.