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If a problem occurs ...
Presence | 23
If a problem occurs ...
If a problem occurs that is not listed in the above table or if the problem
cannot be solved with the proposed solutions, please contact your local
Sennheiser partner for assistance. To find a Sennheiser partner in your
country, search at www.sennheiser.com.
Restoring factory default settings (Reset)
1 Switch the headset off (see page 17).
2 Connect the headset to a power supplying device using the charging
cable (see page 11).
3 Keep both Volume buttons pressed and gently pull the on/off power
slide away from the headset. The LED flashes 3 times purple and then
alternately blue and red. The headset tries to pair with the Bluetooth
devices (see page 12).
Problem Possible cause Possible solution Page
Headset cannot
be switched on
The rechargeable
battery is flat.
Recharge the recharge-
able battery.
11
No audio signal The headset is not
paired with the
mobile phone.
Check if the headset is
paired. If necessary, pair
the headset again.
13
The volume is
adjusted too low.
Increase the volume. 18
The headset is
switched off.
Switch the headset on. 16
Headset cannot
be paired
The pairing does
not work.
Check if your
Bluetooth device
supports the HF or
HS profile.
–
The mobile phone
is switched off.
Switch the mobile
phone on.
–
No voice
prompts
announced
(beeps only)
The voice prompts
are disabled.
Enable the voice
prompts.
10
Headset does
not react to any
button press
The operation of the
headset is faulty.
Reset the headset to
the factory default
settings.
23
Connection
establishment
takes a long
time
Bluetooth device 1
is not available
Toggle between your
two Bluetooth devices.
16
1 2 3
on
press & hold
off
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