THE ALI MAK ELEVATOR ELECTRICAL OVERLOADS DE-ENERGIZED THE ELEVATOR WHEN IT WAS CALLED TO GO UNDERGROUND FOR TRANSPORTING EES TO THE SURFACE. THERE WERE NO PASSENGERS ON BOARD. IT WAS FOUND TH AT THE COLD TEMPERATURE HAD MADE THE GREASE THICKEN IN THE GUIDE ROLLERS WHICH CREATED ROLLING RESISTANCE, WHICH IN TURN CAUSED THE ELECTRICAL OVERLOADS TO TRIGGER.