0appolo 9 years ago ReplyUpvoteNot all motors make suitable generators. Check your motor! if is a 220 volt AC type known as an induction motor, the reverse will not apply! A magnetic field is set up in the field windings from the 220 volt AC supply this field is then inductively coupled into a central rotor which spins as a result. These rotors are not powerful magnets and will not produce a current when spun.