Device not found during setup Bluetooth pairing fails App shows device offline

Enable Bluetooth - Ensure phone Bluetooth is on and Airthings app has Bluetooth permission. Wave the sensor - Pass your hand over the front to wake the Wave Plus from sleep. Move closer - Bluetooth range is ~30 feet. Stand near the sensor during setup. Reset device - Remove batteries, wait 30 seconds, reinsert and try pairing again. Update app - Ensure you have the latest Airthings app version from your app store.

Radon shows as "-" or zero Readings fluctuate wildly Values seem inaccurate

Wait for calibration - Radon sensor requires 7 days to provide reliable long-term readings. Check placement - Mount in lowest occupied floor, not in bathroom, kitchen, or near windows/doors. Stable location - Avoid moving the sensor after installation. Movement resets the radon baseline. Ventilation affects readings - High ventilation reduces radon. Closed spaces may show higher levels.

CO2 always shows low values VOC readings don't change Sensors show stale data

Calibration period - CO2 and VOC sensors need 7 days for initial calibration. Sync data - Wave the sensor to sync data via Bluetooth to the app. Hub connection - For continuous data, connect to Airthings Hub (sold separately) for WiFi sync. Battery level - Low batteries can affect sensor accuracy. Replace 2x AA batteries.

Not appearing in Alexa/Google Home IFTTT triggers not working Home Assistant not receiving data

Hub required - Cloud integrations require Airthings Hub for continuous data upload. Link accounts - Connect Airthings account in Alexa or Google Home app. Enable API - For Home Assistant, enable Airthings cloud API in the Airthings dashboard. Check subscription - Some features may require Airthings View Plus subscription.

Airthings Wave Plus Not Connecting or Measuring

The Airthings Wave Plus monitors radon, CO2, VOCs, humidity, temperature, and air pressure. It connects via Bluetooth to the Airthings app and can use a hub for WiFi connectivity. This guide covers connection and measurement issues.

Wave Plus Not Connecting to App

Symptoms

Device not found during setup
Bluetooth pairing fails
App shows device offline

Solutions

Enable Bluetooth - Ensure phone Bluetooth is on and Airthings app has Bluetooth permission.
Wave the sensor - Pass your hand over the front to wake the Wave Plus from sleep.
Move closer - Bluetooth range is ~30 feet. Stand near the sensor during setup.
Reset device - Remove batteries, wait 30 seconds, reinsert and try pairing again.
Update app - Ensure you have the latest Airthings app version from your app store.

Radon Readings Not Appearing

Symptoms

Radon shows as "-" or zero
Readings fluctuate wildly
Values seem inaccurate

Solutions

Wait for calibration - Radon sensor requires 7 days to provide reliable long-term readings.
Check placement - Mount in lowest occupied floor, not in bathroom, kitchen, or near windows/doors.
Stable location - Avoid moving the sensor after installation. Movement resets the radon baseline.
Ventilation affects readings - High ventilation reduces radon. Closed spaces may show higher levels.

CO2 or VOC Readings Incorrect

Symptoms

CO2 always shows low values
VOC readings don't change
Sensors show stale data

Solutions

Calibration period - CO2 and VOC sensors need 7 days for initial calibration.
Sync data - Wave the sensor to sync data via Bluetooth to the app.
Hub connection - For continuous data, connect to Airthings Hub (sold separately) for WiFi sync.
Battery level - Low batteries can affect sensor accuracy. Replace 2x AA batteries.

Home Integration Issues

Symptoms

Not appearing in Alexa/Google Home
IFTTT triggers not working
Home Assistant not receiving data

Solutions

Hub required - Cloud integrations require Airthings Hub for continuous data upload.
Link accounts - Connect Airthings account in Alexa or Google Home app.
Enable API - For Home Assistant, enable Airthings cloud API in the Airthings dashboard.
Check subscription - Some features may require Airthings View Plus subscription.