My headphones don't turn on (WF-SP900)

Follow these steps to troubleshoot when your WF-SP900 headphones won't turn on:

1. Check if the indicators flash when the headphones are removed from the charging case.
   

   The indicators flash in blue

   The headphones turn on normally.

   The indicators flash in blue and red alternately or the indicators flash in blue twice each

   The headphones are in the Bluetooth® pairing mode.

   Note: When pairing your headphones with a device for the first time or after initializing, the headphones enter pairing mode automatically.

   The indicators do not light up

   Go to the next troubleshooting step.

2. Charge the headphones and the charging case, and check if the indicators on the headphones light up in red.
   

   The indicators light up in red

   The headphones are in the process of charging. Continue charging and go to the next troubleshooting step.

   The indicators do not light up in red

   There may be a problem with charging. Refer to The headphones do not charge article.

3. After the headphones are charged, remove the headphones from the case and check if the headphones turn on.
   

   The headphones turn on

   The issue was caused by a low battery level.

   The headphones do not turn on

   Go to the next troubleshooting step.

4. Restart the headphones.
   Refer to the Resetting the headphones page for instructions.

   The headphones turn on

   The issue may have been caused by a temporary malfunction of the headphones.

   The headphones do not turn on

   Go to the next troubleshooting step.

5. Initialize the headphones.

   IMPORTANT: All the data (music files, pre-installed data, etc.) saved to the main memory of the player will be erased. Before initializing, backup any important data.

   Refer to the Initializing the headphones page for instructions.

   The headphones turn on

   The issue may have been caused by a temporary malfunction of the headphones.

   The headphones do not turn on

   The headphones may be malfunctioning, and require repair.  Go to Product Repair. 

Go to the Headphones Troubleshooting Guide