if you are desperate for an answer , call your local service agent for that brand and have them do a service call
we are only volunteers who may have experience on your make but other wise you will not get an answer
Sc5oo is main motor lock and d solutn is to change the main motor and u wil first chek if dre s any thg dat dos nt allow d main motor to roll freely.most especialy the catridge if d geer in the catridge as been broken.if u dnt understand me wel u cn cal me on o8o65816631
