THE #6 ELEVATOR WAS INOPERABLE FROM 2:00AM UNTIL4:50AM DUE TO MOISTURE IN THE D-CELL CONTROLS ASA RESULT OF A WINDOW BEING LEFT OPEN ONTOP. THISCONVEYANCE IS PART OF THE MINE EMERGENCY ESCAPE ROUTE. AFFECTED MINERS WERE INSTRUCTED TO USE ANALTERNATE ESCAPE ROUTE UNTIL THE ELEVATOR WAS REPAIRED.