How to make the original bell ringing when press the G4/G410 doorbell

Aqara Products
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Is the wiring the same for the G400 doorbell?

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The wiring or the automation? You can do it quite similar

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I’m using this: Doorbell Transformer 24V 40VA AC Power Supply Thermostat Power Adapter Hardwired Door Chime Transformer

But I don’t seem to get any power to the relay after connecting it to the mechanical doorbell chime via instructions above.

Do I have the correct transformer? Or any other idea of why I’m not getting power to the relay?

I did have an extra two wires that were tied together under a wire nut. It’s possible I disconnected those a long time ago when I wired a chime kit for a Feit doorbell. Kit has been removed and I follow these instructions. But alas, no power. Thanks.

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Thanks @jp1114 - this worked for my G400 and my physical chime. I had 4 wires to work with, so I did some color coding for just the doorbell and just the chime (not that it matters). Great to have the option of a physical chime again!

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@Aqara_PM_Donie also thanks for the 24V AC confirmation! This is what I needed in order to try this out and your post that confirmed the T2 would run on 24V AC or higher made this possible.