CARRIER IS RECALLING CERTAIN CARRIER GENV EM-1 EVAPORATOR UNITS (EM-1) MANUFACTURED FROM JANUARY 1, 2006 THROUGH DECEMBER 2010, CONTAINING A DELPHI PACK-CON III FUSE HOLDER IN AN ALLIED MOTION MOTOR ASSEMBLY; EM-1 UNIT PART NUMBERS 77-62112-XX AND 77-62512-XX, STARTING WITH SERIAL NUMBER KNT90890232 TO SERIAL NUMBER NNE91230058, SOLD AS AFTERMARKET EQUIPMENT AND INSTALLED AS ORIGINAL EQUIPMENT ON CERTAIN SCHOOL AND SHUTTLE BUSES. DUE TO TIME, TEMPERATURE, AND/OR VIBRATION, THE FUSE MAY LOOSEN IN THE FUSE HOLDER RESULTING IN HIGH RESISTANCE AND ARCING.