Hi could anyone tell me what would cause this and would it be covered under warranty
Hi @614ca25c3884b21247b4. It’s hard to say exactly what may have caused that to happen to your Doorbell, but any warranty requests can be directed to our support team. You can give our support team a call at one of the numbers available here so they can review the warranty on your Doorbell and determine the best course of action. If you are outside of the US, please visit here to see how to contact support.