18 US-EN
To prevent battery deterioration, the rechargeable battery has to be
charged regularly when stored for long periods.
Troubleshooting
=
Problem
= 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 o
ff
and on again.
Communication device error.
Separate the connection to the headphones and reconnect.
Check if other devices using Bluetooth standard 4.0 work with the commu-
nication devices.
Bluetooth
®
connection error.
Move closer to the devices connected via Bluetooth
®
.
No sound
The headphones’ volume is set to minimum.
Press 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.
