HOISTMAN REPORTED #31 HOIST WOULD NOT LOWER AT 1:15 PM. ELECTRICIANS WERE CALLED TO MAKE REPAIRS. MSHA WAS CALLED TO REPORT HOIST DOWN AT 1:43 PM. ELECTRICIANS FOUND A PROBLEM WITH THE LINKAGE ON THE CONTACTOR AND REPAIRS WERE COMPLETED. HOISTMAN CALLED MSHA AT 2:35 TO REPORT HOIST BACK IN SERVICE.