Have had the mini , R-3, K4 master Jig the micro and the HD JIG,S, for 4 years and they are all working just fine with no problem,s , always clean them good after each use and they are kept in their own drawer , out of any dust , also use the dust port and vac. all the time, JIM !!!
Sorry to hear that, Andy. Please get in touch with Technical Support at toll-free 800-447-8638 or firstname.lastname@example.org. They will be happy to help.