Harmony A3 - FIx No Sound – Avantree Support

No sound from Harmony A3 is usually caused by an AuraLink connection issue, incorrect TV audio settings, or low volume.

Before you start: Make sure your AuraLink receiver is fully charged and Harmony A3 transmitter is powered on.

Check the AuraLink Connection

Look at the Auracast indicator on your AuraLink receiver.

Solid Orange

Connected. Continue to Step 2.

Flashing Orange

Searching for Auracast. Reconnect AuraLink to Harmony A3.

If the orange indicator keeps flashing:

Make sure Harmony A3 is powered on.
Keep AuraLink close to Harmony A3 until the indicator becomes solid orange.
If it still does not connect, restart AuraLink and try again.

AuraLink Connection Troubleshooting

Check the Audio Source

If AuraLink shows solid orange but there is still no sound, check your audio source.

Using Optical (TV):

Set your TV's digital audio output to PCM / Stereo.
Find PCM Settings for Your TV Brand

Using AUX (TV):

Set your TV's audio output to Headphone Output.
Make sure the AUX cable is plugged into the TV port labeled AUDIO OUTPUT / HEADPHONE OUT.

Using Bluetooth (Phone):

Make sure your phone is connected to Harmony A3 via Bluetooth.
Play audio and increase the phone's media volume.

Check the Listening Volume

Still no sound?

Increase the volume on your AuraLink receiver.
Make sure your wired earbuds are fully plugged into AuraLink.
Try another pair of wired earbuds, if available.
Restart Harmony A3 and AuraLink, then reconnect.

Using Auracast hearing aids instead? Make sure your hearing aids have joined the Harmony A3 Auracast broadcast and their listening volume is turned up.

How to Join an Auracast Broadcast with Your Hearing Aids

Still Need Help?

Tell us your TV or phone model, whether you're using Optical, AUX, or Bluetooth, and what the AuraLink indicator is showing.

ASK A QUESTION