not a machine I am familiar with but please remember, microwave ovens by and large employ high voltage (4000) capacitors as part of the circuit required to drive the maganetron, this is not an area for the untrained, worst case scenario, enough charge to kill weeks after being unplugged from the mains supply. If a fuse has in our terminolgy "failed" it has succeeded in its design objective. it is there to prevent you and i from harm, not just an inconvienence. If it is blown there is a good reason, first find the cause. not a job for the layman
patrick, April 2013