19 US-EN
Troubleshooting
= Fault
= Possible cause
= Action
No functions
Battery drained.
Recharge the battery as described in “Charging the battery“.
No Bluetooth connection
Error operating the headphones.
Switch the headphones off and on again.
Communication device error.
Reconnect the device.
Check if other devices using Bluetooth standard 4.0 work with the
communication devices.
Bluetooth
®
connection error.
Move closer to the devices connected via Bluetooth
®
.
No sound
The headphones volume is set to Minimum.
Press and hold the + button
4
to increase the volume.
Error operating the communication device.
Increase the volume on the playback device.
Bluetooth
®
connection error.
Move closer to the devices connected via Bluetooth
®
.
Disconnect Bluetooth
®
and reconnect.
Unable to use all functions
Communication device error.
Verify your communication device supports all functions.
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