Skip to main content
Sign in
Deutsch Español Français Italiano 日本語（日本） 中文 (香港)
Category List
  • Updated

Harmony A3 - FIx No Sound

  • Updated

Harmony A3 – Fix No Sound

A quick guide to checking your connection, TV settings, and audio output.

Before you begin

Turn on the Harmony A3 transmitter and AuraLink receiver. Play a TV program or video, then follow the checks below.

1

Check the AuraLink Connection

Look at the AuraLink indicator. Which light do you see?

Solid Orange Connected to Auracast. Go to Step 2.
Flashing Orange Searching for an Auracast broadcast.
Flashing Red & Blue Bluetooth pairing mode.
Flashing Red Battery Light Low battery. Charge AuraLink.
What if the orange light keeps flashing?
  1. Make sure the Harmony A3 transmitter is powered on and broadcasting.
  2. Move AuraLink closer to the transmitter.
  3. Turn AuraLink off, then on again. Wait for it to reconnect.
Expected: Solid orange Auracast indicator.
AuraLink Connection Troubleshooting →
What if the light flashes red and blue?

AuraLink is in Bluetooth pairing mode. Check the separate orange Auracast indicator to see whether it has connected to the Harmony A3 broadcast.

If the orange indicator is flashing, follow the AuraLink connection guide.

View Buttons & LED Indicators →
2

Check Your Audio Source

If the Auracast LED is solid orange but you hear nothing, select your connection type.

TV connected with Optical cable
  1. Check the cable: TV OPTICAL OUT → Harmony A3 Optical Input.
  2. Select Optical: Make sure the transmitter is using its Optical input.
  3. Set the TV to PCM: Open your TV's Sound settings and select PCM for Digital Audio Output.
TV Settings → Sound → Digital Audio Output → PCM

Play a TV program and raise the listening volume gradually.

Expected: AuraLink LED remains solid orange and TV audio is audible.
Find PCM Settings for Your TV Brand →
TV connected with AUX / 3.5 mm cable
  1. Check the cable: TV Headphone / Audio Out → Harmony A3 AUX Input.
  2. Select AUX: Set the transmitter to AUX input.
  3. Check volume: Increase the TV headphone output volume, if adjustable.
  4. Play a TV program and test the receiver.
PCM settings are not normally required for AUX connections.
Phone connected with Bluetooth
  1. Play music on your phone and increase the media volume.
  2. Make sure the phone's audio output is set to the intended Harmony A3 Bluetooth connection.
  3. If needed, disconnect and reconnect the phone using the transmitter's Bluetooth input procedure.
  4. Check that AuraLink shows solid orange and test the sound.
Fix Phone Audio Issues →
3

Still No Sound?

Choose the situation that best matches your problem.

Only one receiver has no sound
  1. Check whether its Auracast LED is solid orange.
  2. Make sure the earbuds are fully plugged in and volume is turned up.
  3. Move the receiver closer to the transmitter.
  4. Restart the receiver and reconnect.
No sound from Netflix or streaming apps
  1. Open your TV's Digital Audio Output settings.
  2. Change the format to PCM or Stereo.
  3. If using a streaming box or stick, check its audio output settings too.
  4. Restart the streaming app and test again.
Streaming Service Audio Troubleshooting →
Regular Bluetooth headphones have no sound

Harmony A3 broadcasts using Auracast. Regular Bluetooth headphones without Auracast reception cannot connect directly to this broadcast.

Check Headphone Compatibility →
Nothing works after trying the steps
  1. Turn off the TV, transmitter, and AuraLink.
  2. Turn everything back on and reconnect.
  3. Try another compatible audio source or cable, if available.
  4. Test one AuraLink near the transmitter.
If there is still no sound, contact support with your TV model, connection type, and LED status.

Related Guides

Still Need Help?

Tell us your TV or phone model, connection type, and what the AuraLink indicator shows.

ASK A QUESTION

Comments

0 comments

Related articles

Please sign in to leave a comment.