Model light guide
Alarm.com ADC-VDB780B Light Guide
Use this page to compare known light colors, blinking patterns, meanings, and fixes for the Alarm.com ADC-VDB780B.
Quick reminder: This is a model-specific guide. Do not use it for a different model unless the manufacturer says the light codes are shared.
Light status table
| Light | Color | Pattern | Meaning | What to do |
|---|---|---|---|---|
| Button LED | Blue | Blinking | On the Alarm.com ADC-VDB780B, a blinking blue button LED means the doorbell is in WPS pairing mode. | Complete WPS pairing or exit setup and use another pairing method if needed. |
| Button LED | White | Blinking | On the Alarm.com ADC-VDB780B, a blinking white button LED means the doorbell is in AP pairing mode. | Continue the app setup process and connect using the pairing instructions from your provider. |
Before replacing parts
Check the exact light name, color, and blinking pattern. Many devices use similar lights for very different states, such as setup mode, firmware updates, charging, connection attempts, paper jams, or failed pairing.
Source note:
This model page is built from the linked source material below and individual detail pages.