19 GB/IE/NI
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.
Separate the connection to the headphones and connect again.
Check if other devices using Bluetooth
®
standard 4.0 or above 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 the button
6
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.