Home / Forums / General melodica discussion / i need help with my new hammond 44 Hyper / Reply To: i need help with my new hammond 44 Hyper Reply To: i need help with my new hammond 44 Hyper November 10, 2017 at 11:33 pm #9446 DarenKeymaster If one note isn’t working properly, I’d advise sending the instrument back for a refund or replacement, rather than attempting any fixes