There could be built up residue behind the container. Please wipe out the cavity behind the residue bin thoroughly, ensure that your green residue bin lid is in place on top of the bin.
Should you need any help, please reach out to the Spinn Support team - we are here for you Monday - Friday: 9:00 am - 5:00 pm PST. Click on the chat bubble in the bottom right hand corner of this screen.