If you have a digital chime (with internal speaker and no moving parts), and the chime duration is set too short, the chime may not make any sound or only make part of the chime sound.If you have a mechanical chime with moving parts that ring the bell, this option should be set to Off.If Quiet Time is on, tap it to reveal the switch.Tap Settings Indoor chime On/Off Quiet Time.Tap More Quiet Time, then tap Cancel if it's active.Tap Settings Doorbell Check that Ring indoor chime is set to On.If you can take it off and you see two metal pistons aimed at a strike plate, you have a mechanical doorbell.If you can't remove it you probably have an electronic chime.
Try to lift the front cover off the chime box. Electronic chimes have a speaker that plays a sound or melody when rung.Mechanical chimes have moving parts that make the classic “ding dong” noise when the doorbell is rung.How to tell if you have a mechanical chime or an electronic chime This setting is for electronic or digital chimes only. If you have a mechanical chime (moving parts that make the sound), the chime duration option should be turned off.Someone who shares access to your Nest home with the app may have turned the chime off, or changed the chime duration.Your current settings may prevent the chime from ringing.