32 | MB 660
Troubleshooting
Problem Possible cause Possible solution Page
Headset does
not go to pairing
mode after the
4-second press of
the Sound Effect
Mode button
Bluetooth is deactivated on the
headset
Activate Bluetooth on the headset 28
Music is playing through the
headset or a call is in progress
Restart the headset by switching it off and on again.
The headset cannot enter pairing mode when music
is being played or calls are being made
Headset does not
attenuate the
ambient noise
even though
NoiseGard is
active
Ear pads are not attached properly
after replacement/removal
Ensure that ear pads are securely hooked to all
corners of the ear cups
30
Audio stops when
adjusting the
headset
Smart Pause is active and adjusting
or taking the headset off triggers a
pause command
Ensure that the headset fits comfortably around the
ears with gentle pressure
Deactivate Smart Pause in CapTune if necessary
17
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.
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