If the Tapo D210 misses people or sends no motion alerts, work through these checks from Tapo’s detection guides. The same doorbell is also sold as the Tapo TD21, so these steps work for both.

What This Problem Means

Something is moving in view but the doorbell is not detecting it, or is not telling you.

Common Symptoms

• No motion alerts
• People walk past without a clip
• Alerts arrive late or miss the start

Safe Checks You Can Try

1. Know how it detects

Tapo’s battery camera detection guide says battery cameras sleep and only detect while awake. A heat (PIR) sensor wakes them when it sees movement.

2. Check the mounting

Tapo says not to mount the Tapo D210 horizontally. Check it is upright and not behind glass.

3. Mount it to the side

Tapo says a PIR sensor picks up movement across its view better than movement straight towards it, and small animals are harder to detect.

4. Adjust Wake-up Sensitivity

Raise the Wake-up Sensitivity, then test it: Device Settings > Alarm > Detection Alarm, set the alarm to sound, leave live view, wait for it to sleep and walk slowly towards it.

5. Don’t point it through glass

Tapo says the sensor cannot see through windows.

6. Check the clip settings

Under Storage & Recording > Clip Settings, Tapo suggests a shorter Retrigger Time, a longer Record Buffer and a longer Maximum Clip Length.

7. Update the app and firmware

Install the latest Tapo app, then update the doorbell’s firmware from its Device Settings.

When To Contact Support

If none of these checks fix it, contact Tapo support through TP-Link’s UK support site. Have the model and hardware version ready: Tapo says both are on the label on the doorbell.

Last resort: factory reset. Check the installation guide for where the Reset button is on the Tapo D210; Tapo’s reset guide covers its cameras. You will then need to set it up again in the Tapo app. Removing it in the app (long-press its card, or Camera Settings > Remove) also resets it; Tapo says a Tapo Care plan stays on your account.