did you get a response on this? Lego support is really quite good. Call them and let them know - they will most likely send you new motors free-of-charge. Since the EV-3 is still new, they may want to look at the old ones, but then again, they may not Brian On Apr 24, 2015, at 10:38 PM, Tom Marino wrote: > Hi, > During today's after school spring robotics program that I am offering to my students, one of the teams was complaining that their program wasn't working for their robot. What I soon realized that both of their robot's motors were stuck. When I tried to move the motors directly from the EV3 brick, the would both turn a few degrees, but stop (clockwise and counter clockwise). > Even when I turned off the robot and unplugged the wires, I still was unable to turn either motors by hand. > I could not find any help online, so I am hoping one of you has some advice for me before our next after school program in two weeks. > Thanks, > Tom Marino > Sacred Heart Academy Robotics > > -- To UNSUBSCRIBE or CHANGE your settings, please visit https://listserv.jmu.edu/archives/vadcfll-l.html and select "Join or leave the list". > > -- VADCFLL administrative announcements are sent via VADCFLL-ANNOUNCEMENTS-L. Visit https://listserv.jmu.edu/archives/vadcfll-ANNOUNCEMENTS-l.html to subscribe. > -- To UNSUBSCRIBE or CHANGE your settings, please visit https://listserv.jmu.edu/archives/vadcfll-l.html and select "Join or leave the list". -- VADCFLL administrative announcements are sent via VADCFLL-ANNOUNCEMENTS-L. Visit https://listserv.jmu.edu/archives/vadcfll-ANNOUNCEMENTS-l.html to subscribe.