Details on the Wemo Doorbell's light behavior are specified below:
| Status description | Status light | Light bar | Light ring |
| Unit OFF (no power) | OFF | OFF | OFF |
| Rebooting | Solid white | Solid white | Solid white |
| Setup mode | Flashing blue | OFF | |
| Connecting to WiFi | Pulse white and blue | ||
| HomeKit connection error | OFF | Yellow | |
| Ready | Solid blue | Solid white | |
| Identify in Home app | Flashing white | ||
| Streaming video | Solid red | Solid white | |
| Motion detected | Flashing white | Solid white | |
| Doorbell pressed | Flashing blue | ||
| Two-way communication | Solid blue | ||
| Low power / overheat warning | OFF | Solid red | OFF |
| WiFi reset | OFF | Yellow | |
| Factory restore | Red |
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Wemo Smart Video Doorbell, WDC010 Frequently Asked Questions