Hello Dave,
Thank you for writing in.
As your description, the product may be defective.
We have tested our products before shipping to Amazon warehouse, however, there may be one or two items slipping through our hands.
So sorry for the inconvenience caused on you.
Could you please tell us your order ID so that we can contact you through Amazon and find a solution for you?
Beg your forgiveness and understanding.
Waiting for your reply.
Best regards