Doorbell transformer buzzing noise

Buzzing noise from the doorbell transformer. Goes away after pressing the doorbell once

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How about now? Does it happend again?

What sort of a buzzing noise? Does it occur every-time the doorbell is pressed (perhaps a miswire?) or did it just occur once?

Hey @Mahi

Please kindly note that the new eufy doorbell comes wired and it must have an existing wire with low voltage transformer for eufy Video Doorbell. Make sure the transformer for doorbell delivering 16-24V AC, 30VA of power.

Please feel free to reach out for further assistance!

Thank you an have a good one!