Harmony A0 Solo - Can’t Pair / Can’t Join Auracast

Part 1. Classic Bluetooth – Cannot Pair

1) Make sure Harmony A0 Solo is in Bluetooth pairing mode

• LED must be blinking red & blue.

• If not, press & hold for 2s to enter pairing mode.

2) Clear old Bluetooth records

• On your phone/computer: remove “Venucast Harmony A0 Solo”.

• On Harmony A0 Solo: press & hold "+" and "–" buttons together for 5 seconds to clear memory.

3) Bring devices closer

• Keep devices within 1 meter during pairing.

4) Refresh Bluetooth

• Turn Bluetooth OFF → ON on your device.

5) Check if Harmony A0 Solo is connected elsewhere

• If Bluetooth LED is solid, disconnect or clear pairing first.

Part 2. Auracast – Cannot Join

1) Confirm the transmitter is broadcasting Auracast

Only Auracast-enabled devices can connect.
Make sure the source is set to Auracast, not Bluetooth.

2) Stay close to the transmitter

• Recommended distance: 2–3 meters.

3) Restart scanning

• Turn Harmony A0 Solo OFF → ON to reset search.

• LED should be blinking orange.

4) Switch to Auracast mode

• Double-press the Power button to switch to Auracast broadcasting mode.

5) Restart the Auracast broadcast device

• Reboot the TV / transmitter / phone.

• Re-enable the Auracast broadcast channel.

Still Not Working?

Contact Avantree Support ✉️ support@avantree.com and provide:

• LED behavior

• Your phone / TV / transmitter model

• Whether you're using Bluetooth or Auracast