Troubleshooting
Problem
Power is not supplied.
Unable to pair.
Unable to pair using NFC.
No sound is heard / Sound is faint. • Turn on the power of the product and the Bluetooth device.
Sound is distorted / Noise is heard
/ Sound cuts out.
Sound cuts out when using the
aptX codec.
Cannot hear the voice of the caller
/ Voice of the caller is too quiet.
The product cannot be charged.
• For details about how to operate your Bluetooth device, refer to the device's user manual.
• If the problem still remains, reset the product. To reset the product, refer to "Reset function" (p.12).
Solution
• Charge the product.
• Devices that communicate using Bluetooth ver. 2.1+EDR or higher can be
used with the product.
• Place the product and the Bluetooth device within 1 m (3.3') of each other.
• Set the profiles for the Bluetooth device. For procedures on how to set
profiles, refer to the Bluetooth device's user manual.
• Make sure your device is an NFC-compatible Bluetooth device.
• Turn on your NFC-compatible Bluetooth device's NFC feature.
• Touch the product to the correct location of your NFC-compatible Bluetooth
device.
• Depending on the NFC-compatible Bluetooth device you are using, the NFC
sensitivity may not be strong enough to connect to the product with just
one touch. In this case, refer to the NFC-compatible Bluetooth device's user
manual.
• Depending on the NFC-compatible Bluetooth device you are using, it may
take some time to communicate via NFC. Keep the product and your NFC-
compatible Bluetooth device touching until the connection is completed.
• Remove your NFC-compatible Bluetooth device from its case so that it can
communicate via NFC.
• Turn up the volume of the product and the Bluetooth device.
• If the Bluetooth device is set to the HFP/HSP connection, switch to the A2DP
connection.
• Remove obstacles between the product and the Bluetooth device and place
them closer together.
• Switch the output of the Bluetooth device to the Bluetooth connection.
• Turn down the volume of the product and the Bluetooth device.
• Keep microwaves and other devices such as wireless routers away from the
product.
• Keep TVs, radios, and devices with built-in tuners away from the product.
These devices can also be affected by the product.
• Turn off the equalizer settings of the Bluetooth device.
• Remove obstacles between the product and the Bluetooth device and place
them closer together.
• Adjust your Bluetooth device's settings to disable the aptX codec.
• Turn on the power of the product and the Bluetooth device.
• Turn up the volume of the product and the Bluetooth device.
• If the Bluetooth device is set to the A2DP connection, switch to the HFP/HSP
connection.
• Switch the output of the Bluetooth device to the Bluetooth connection.
• Securely connect the included USB charging cable and charge the product.
E
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