Sony SupportMDR-Z1R

Article ID : 00294236 / Last Modified : 10/22/2024Print

The headphones (earbuds) do not charge (WF-C700N)

    Follow these steps to troubleshoot why the headphones (earbuds) don't charge:

    1. Clean the headphones inside the charging case and the charging port of the headphones, and check the indicator of the charging case.

      Make sure that the headphones are properly inserted into the charging case.

      If the headphones are not touching the charging port because the headphones are floating in the charging case or the charging port is dirty, the charging may fail.

      After cleaning the headphones, the inside of the charging case, and the charging port of the headphones, set the headphones into the charging case, and without connecting the charging cable, check the indicator of the charging case. For details on how to clean the headphones, refer to the How to care for the headphones article.
      Note: When cleaning, don't use compressed air to remove dust, as this can cause dust to get into the microphone or sound outlet holes, leading to malfunction.

      The indicator lights up in green for about 3 seconds when one of the earbuds is stored in the charging case and lights green again when both earbuds are stored

      The remaining battery of the headphones is 71% or more. Wear the headphones, connect to a device via Bluetooth, and check if you can hear the sound from the connected device.
      If the sound can't be heard, refer to the There is no sound, or the sound is only heard from one side of the headphones article.
      The indicator lights in orange for about 3 seconds when one of the earbuds is stored in the charging case and lights orange again when both earbuds are stored

      The remaining battery of the headphones is between 70% and 1%. Charge the headphones and go to step 4.
      The indicator doesn't light up when the headphones are stored in the charging case

      Remove the headphones from the charging case and store them again. If the indicator doesn't still light, the remaining battery is 1 % or lower. Charge the headphones and go to step 4.
      The indicator repeatedly flashes twice in orange

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

      An error occurs while charging. Go to step 5.

    2. Leave the charging case in a place with an ambient temperature between 15 °C and 35 °C (59 °F - 95 °F), and try charging again.

      The issue is resolved
      The issue may have been caused by the ambient temperature being too high or too low.
      The issue is not resolved
      Go to the next troubleshooting step.

    3. Using the supplied USB Type-C cable, connect the charging case to a USB AC adaptor or computer and check if the charging can be completed.

      The charging can be completed
      Use the USB Type-C cable supplied with the product. Charging may not be possible with a commercially available cable or a USB hub.
      The charging can't be completed
      Go to the next troubleshooting step.

    4. Set the headphones into the charging case, connect the charging case using the supplied USB Type-C cable, and check if the charging can be completed.
      Note: Clean the charging port before charging.

      The charging can be completed
      The charging port of the charging case may have been dirty.
      Note: Regular cleaning is recommended to prevent issues with charging.
      The charging can't be completed
      Go to step 8.
    5. Set the headphones into the charging case, connect the charging case using the supplied USB Type-C cable, and check the indicator of the charging case again.
      The indicator lights are orange when charging starts
      .
      The headphones are in the process of charging. Wait until the headphones are fully charged.
      The indicator repeatedly flashes twice in orange
      .
      Go to step 8.
      The indicator repeatedly flashes slowly in orange

      Go to step 8.
      The indicator does not light up

      Go to step 6.
    6. Check if you can charge a different device with the same AC adapter or USB port.
      Use the same AC adapter or USB port on the computer to charge a different mobile device or product.
      The mobile device or product can be charged
      Go to step 7.
      The mobile device or product cannot be charged
      The AC adapter or USB port may not work. Contact the manufacturer.

    7. Clean the charging port of the charging case, and check if the charging can be completed.

      If dust or dirt is in or around the charging port, the charging may not complete properly. Remove the dust or dirt with a soft, dry cloth before charging.

      The charging can be completed
      The charging port of the charging case may have been dirty.
      Note: Regular cleaning is recommended to prevent issues with charging.
      The charging cannot be completed
      The headphones may be malfunctioning, and service may be required.

    8. Reset the headphones.

      Watch this video, or refer to the Resetting the headset page for instructions:

      The issue is resolved
      The issue may have been caused by a temporary malfunction with the headphones.
      The issue is not resolved
      Go to the next troubleshooting step.

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

      Watch this video, or refer to the Initializing the headset to Restore factory settings page for instructions:

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

    Go to the Headphones Troubleshooting Guide