Troubleshooting
Troubleshooting
Problem
Possible cause
Headphones
Battery is empty
cannot be
switched on
No audio
Headphones are
signal
not paired with your
device
Volume too low
Headphones are
switched off
Headphones
Smartphone is
cannot
switched off
connect
Bluetooth is
deactivated on your
smartphone
Headphones
Function of the
do not
headphones is faulty
respond to
any button
press
If you encounter a problem that is not listed in the table, or if the solutions
provided do not work, please contact an authorized Sennheiser service
partner for assistance.
To find a Sennheiser service partner in your country,
visit www.sennheiser.com.
Possible solution
Charge the
headphones.
Check if the
headphones are paired.
If necessary, pair the
headphones with your
device again.
Increase the volume.
Switch the headphones
on.
Switch your
smartphone on.
Activate Bluetooth on
your smartphone.
Clear the pairing
settings from the
headphones, and pair
again.
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