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What does each LED indication on the AirGradient Open Air indicate?

LED Behavior (in order of setup)

LED Behavior

What It Means

What You Should Do

2 very fast blinks + pause (repeating)

Device is ready for WiFi setup

Connect to the device using your phone

Solid ON

You’re connected to the WiFi setup portal / BLE setup portal

Follow instructions to your WiFi name and password

OFF

Device is trying to connect to your network

Wait a few seconds

OFF

Connected to WiFi, now reaching the server

Wait — this is normal

2 slow blinks (once)

Everything is working (WiFi + server OK)

No action needed

OFF (most of the time)

Device is running normally

Nothing — this is expected

Error Indicators

LED Behavior

What It Means

What to Check

3 fast blinks + pause (repeats)

WiFi connection failed

Password, signal strength, network name, 2.4 GHz WiFi

4 fast blinks + pause (repeats)

No server connection

Network connection

5 fast blinks + pause (repeats)

Sensor/config issue

Contact support if it persists