Sony SupportHeadphones

Article ID : 00294413 / Last Modified : 02/05/2025Print

The headphones do not turn on (WF-C710N, WF-C700N)

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    Follow these steps to troubleshoot when the headphones do not turn on:

    Note: The following procedure use WF-C700N images for reference.

    1. Clean the headphones and charging ports, set the headphones to the charging case, and check the status of indicator on the charging case.

      The indicator lights up in orange after starting the charging, and turns off when charging is complete. If the headphones do not turn on after charging, go to Step 2.

      Notes:
      • For details on how to clean the headphones, refer to the How to care for the headphones article.
      • When cleaning, do not use compressed air to remove dust as this can cause dust to get into the microphone or sound outlet holes, leading to malfunction.
      There are 2 images. The left image indicates the charging ports inside the charging case, located on the place contacts with the headphones. The right image indicates the charging ports on the headphones, located on the opposite side of the headphones button.
      The indicators repeatedly flash 3 times in orange

      The indicator shows an abnormal combination of the left and right units. Go to step 5.
      The indicators repeatedly flash twice in orange

      The indicator shows an abnormal charging temperature. Go to step 5.
      The indicators repeatedly flash slowly in orange

      An error occurs while charging. Go to step 5.
    2. Wear the headphones and check if you can hear the voice guidance.
      I can hear the voice guidance from the headphones.
      Go to step 4.
      I cannot hear the voice guidance from the headphones.
      Go to step 3.
    3. Check the Voice Guidance settings.
      1. Open the Sony | Sound Connect app.
      2. In the System tab, check the Notification & Voice Guide setting.
      The Notification & Voice Guide is set to On.
      Go to step 4.
      The Notification & Voice Guide is set to Off, or the setting cannot be confirmed because the headphones do not turn on.
      After setting it to On, go back to step 2.

    4. Reset the headphones.

      Refer to the Help Guide or view the How to reset video:

      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.

    5. Initialize the headphones.
      Note: Initialization returns the headphones to the factory settings and all Bluetooth pairing information is deleted.

      Refer to the Help Guide or view the How to initialize video:

      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