Playback has stopped suddenly.

The remaining battery power is low or depleted.

• Charge the battery by means such as connecting your “WALKMAN” to a running computer. [Details]

You are trying to play a song or video that cannot be played on your “WALKMAN.”

• Select and play back a different song or video.

There is a problem with connection to a Bluetooth device that has caused playback to stop.

• Check the connection to the Bluetooth device.