G5 does not suck:)

Question

Inherited this G5; mother-in-law said the motor was out. I plugged it in and it comes on, but it does not seem to be doing anything but turning the roller. It may just need a good cleaning. Plan to replace the bag and try it again; the drive part is not working, which ofr me is not the biggest deal - I just need it to vaccum the carpet. Kirby is a great vaccum and I really wantthis one to work for me.