Article ID : 00348222 / Last Modified : 07/08/2025Print

My headphones don't turn on (WF-C510)

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    Follow these steps to troubleshoot this issue:

    Before you start

    Use a dry cloth or cotton swab to clean the charging port. To clean the earbuds, refer to the article How to care for the headphones.
    Note: Don't use compressed air to remove dust. Dust and other debris may enter the sound output holes and cause malfunction.

    Solution

    After the issue is resolved, update the headphones' software to the latest version.

    1. Set the headphones to the charging case, and check the status of indicator on the charging case.

      The indicator repeatedly flashes in orange with an interval of about 1 seconds while charging the headphones or charging case

      An error occurs while charging. Go to the next troubleshooting step.
      The indicator repeatedly flashes slowly in orange with an interval of about 0.5 seconds while charging the headphones or charging case

      An error occurs while charging. Go to the next troubleshooting step.
    2. Reset the earbuds.

      Watch this video or refer to the article How to reset or initialize the WF-C510:

      If your earbuds model doesn't appear in the device list of the playback device, turn off the Bluetooth setting in the device and turn it on again, or leave the Bluetooth setting once and return to try the connection again.

      The issue is resolved.
      The issue may have been caused by a temporary malfunction of the headphones.
      The issue is not resolved.
      Go to the next troubleshooting step.
    3. Wear the headphones and check if you can hear a notification or voice guidance corresponding to the operation and status.
      I can hear the notification or voice guidance from the headphones.
      Pair the headphones with a Bluetooth device, and check to see if you can hear sound from the headphones. If you can't hear sound, refer to There is no sound, low sound, or sound is only heard from one side of the headphones article
      I can't hear the notification or voice guidance from the headphones.
      Go to the next troubleshooting step.
    4. Check the Notification & Voice Guide setting:
      1. Open the Sony | Sound Connect app.
      2. In the My Device tab, select Device settings, select System tab, check the Notification & Voice Guide setting.
      The Notification & Voice Guide is set to On.
      The charging may have been failed. Refer to The headphones do not charge article.
      The Notification & Voice Guide is set to Off.
      After setting it to On, go back to step 3.
    5. Initialize the earbuds.

      Initialization returns the earbuds to the factory settings, and all Bluetooth pairing information is deleted.

      Watch this video or refer to the article How to initialize the WF-C510:

      The issue is resolved.
      The issue may have been caused by a temporary malfunction of the headphones.
      The issue is not resolved.
      The headphones may be malfunctioning, and service may be required.

    Go to the Headphones Troubleshooting Guide