No sound on new ring doorbell pro 2

Replaced older hardwired ring doorbell pro with new model that just came out. No sound

First had some sound -intermittently- now none

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Hello
If you haven’t done so already, install the pro power kit that came with the new doorbell, after that verify the voltage and amperage coming from your transformer. I had an issue with my transformer where it was giving me intermittent issues including ringing my doorbell because of an amperage issues coming from my transformer.

Good luck.