If you can turn the lock cylinder, with the key, starting from the middle 90 degrees to the left and 90 degrees to the right without problems or resistance you got the problem as mentioned earlier.
Ọ bụrụ na ị nwere ike ịlele nha nke akụrụngwa ahụ, enwere ike ịhụ na ọ nwere ebe etiti nke na-egosi ogo 90, site na ebe ahụ gaa n'aka ekpe ma ọ bụ aka nri ma ọ bụ dabere na ebe a na-eme nha, a ghaghị iwere ntụnye ahụ iji mụbaa ma ọ bụ belata ogo .