Light meaning and fix
Alarm.com ADC-VDB770 Blinking Red Light: Booting Meaning
On the Alarm.com ADC-VDB770, a blinking red LED means the camera is powering on and booting.
On the Alarm.com ADC-VDB770, a blinking red LED means the camera is powering on and booting.
What it means
The doorbell is starting up.
Device details
| Device type | Video doorbell |
|---|---|
| Brand | Alarm.com |
| Model | ADC-VDB770 |
| Light name | Status LED |
| Light location | Doorbell status light |
| Color | Red |
| Pattern | Blinking |
| Severity | info |
| Last verified | 2026-05-02 |
What to do first
Wait for booting to complete before restarting setup.
- Leave the doorbell powered.
- Wait for the boot process to finish.
- Check whether the LED changes to a connection state.
- If it stays blinking red, check power and Wi-Fi setup.
- Restart setup only if booting never completes.
- Contact your service provider if the device remains stuck.
When this can be normal
This can be normal while the device is booting.
When to stop troubleshooting
Stop and contact provider support if the device never leaves booting state.
Parts or products that may help
Only replace parts when the light pattern and official guidance support it. Some lights indicate setup or software states, not broken hardware.
- No replacement part is recommended from this light pattern alone. Troubleshoot the device state first.
FAQ
What does blinking red mean on ADC-VDB770?
Alarm.com says power on, camera booting.
Is blinking red always bad?
No. It can be normal during boot.
What if it never stops?
Check power and contact your Alarm.com service provider.
This guide is based on: Alarm.com ADC-VDB770 LED Meanings.
Source type: official_support_page. Confidence: verified. Last verified: 2026-05-02.
Boot time can vary after power changes or setup attempts.