Allied Recreation Group (ARG) is recalling certain 2014 Holiday Rambler Presidential fifth wheel trailers, model 363 RE, manufactured February 28, 2013, to November 1, 2013, 2014 Holiday Rambler Presidential fifth wheel trailers, model 363 RL, manufactured January 30, 2013, to June 21, 2013, 2015 Holiday Rambler Alumascape fifth wheel trailers, model 313 RL, manufactured January 30, 2013, to October 25, 2013, and 2015 Holiday Rambler Alumascape fifth wheel trailers, model 343 RE, manufactured October 15, 2013, to October 25, 2013. The affected trailers may be equipped with certain Frigidaire KG series Microwave model CFMV154CLS convection microwaves manufactured January 27, 2013, through April 10, 2013. These microwaves may start on their own and begin heating when unattended.