Janome Memory Craft 9000 (2) fuses are not “USER” replaceable. It takes a few different screwdrivers to get the base plate off and dig through the innards of the sewing machine near the black transformer box inside to get to the (2) fuses. If you decide to tackle this: – MAKE SURE THE CORDS ARE UNPLUGGED AND THE POWER SWITCHES ARE OFF! – Work on a clean flat workspace with enough light – Have a system for carefully arranging and cataloging any parts (screws) you remove for that you do not lose any, and so that they go back exactly where you found them That said, here are some narratives on how to get to the (2) fuses: http://www.fixya.com/search/p131197-janome_memory_craft_9000_computerized/fuse Simple summary narrative: http://www.fixya.com/support/t138036-fuse_keeps_blowing More accurate & deta