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“Double Doorbell” Preventing Chime?

Community Member


 (star is primary doorbell, the wires are running to the Nest as a “secondary”)


Hi folks -

I just installed my Google Nest doorbell, and all the "Nest" camera parts are working great. However, the chime isn't working inside of our house.

At the front of our house, we have our "Primary" doorbell. From that primary doorbell, we have two wires that our landlord installed so that they run to another smaller doorbell on the outside of our gate. This "secondary" doorbell is the one I removed and attached to our Nest to.

Now, regardless of whether or not I ring the "Primary" doorbell or the Nest, there's not chime inside of our house. Any idea why this might be happening?

Attaching photos of the chime box in the house and the doorbell outside.

Thanks in advance!



Community Specialist
Community Specialist

Hello Jleskar,


Thanks for visiting our Community. Help’s here.  


The Nest Doorbell (wired, 2nd gen) has higher power requirements than most doorbells. For some installations, you'll need to replace the transformer for your doorbell. You need a transformer that is rated for 16–24 V AC and 10–40 VA to provide enough power to your doorbell. If you've already installed your doorbell and you see a blinking yellow light on the front, your doorbell isn't receiving enough power.


Follow the wiring diagram below:



Also, you can check this article to help you if the Nest doorbell chime doesn't ring or sounds weak.


Let me know how it goes.