The headphones do not turn on (WF-C510)

Before you start

Use dry cloth or cotton swab to clean the charging port. For details on how to clean the headphones, refer to the How to care for the headphones article.
Note: Do not use an air duster to remove dust or foreign substances. Dust and other debris may enter the sound output holes and cause malfunction.

Solution

Hint: 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 headphones.

   Refer to the How to reset or initialize the WF-C510 article or view the How to reset video below:
   
   

   Tip: Learn how to turn captions on or off when watching Internet videos from YouTube

   If your headphones model does not 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 cannot hear sound, refer to the There is no sound, low sound, or sound is only heard from one side of the headphones article.

   I cannot 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 headphones.

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

   Refer to the How to reset or initialize the WF-C510 article or view the How to initialize video below:
   
   

   Tip: Learn how to turn captions on or off when watching Internet videos from YouTube

   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