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35
If a problem occurs
If a problem occurs
For additional information and an FAQ list, please visit our website at www.sennheiser.com/DW
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.sennheisercommunications.com under “Service &
Support”.
Problem
Possible cause
Possible solution
The headset is placed into
the base station but does
not show any reaction
Base station is not connected to the
mains
Connect the base station to the mains
(see page 11).
Rechargeable battery is deep
discharged
Wait several minutes until the charging process
starts.
Link between headset
and base station
cannot be established
(
Phone
mode)
Base station is not connected to the
mains
Connect the base station to the mains
(see page 11).
Headset is not paired to the base
station
Pair your headset to the base station
(see page 29).
Link between headset
and base station
cannot be established
(
PC
mode)
Base station is only connected to the
mains
Connect the base station to the PC using the
USB cable.
Headset is not paired to the base
station
Pair your headset to the base station
(see page 29).
Bad radio link between
headset and base station
Transmission range is exceeded
Reduce the distance between headset and base
station.
Adjust the radio range (see page 20).
The headset causes noise
and connection losses
Microphone rubs on the cheek or
perhaps the beard
Use the name plate with cheek spacer
.
Distance between base station and
fixed line phone is so small that inter-
ference occurs
Increase the distance between base station and
fixed line phone (see page 14).
Too many DECT systems within the
radio range
Reduce the radio range (see page 20).
Set the base station to narrowband mode
(see page 21).
The rechargeable battery
cannot be charged
Charging contacts of the headset or the
base station are dirty
Clean the charging contacts on the headset and on
the base station (see page 32).
Rechargeable battery is defective
Replace the defective rechargeable battery by a
new rechargeable battery (see page 34).
Charging contacts of the headset
and the headband do not make good
contact
Check if the headset is properly attached to the
headset holder of the headband
!
(see page 16).
The rechargeable battery is
quickly depleted even after
charging
Overaged rechargeable battery
Replace the overaged rechargeable battery by a
new rechargeable battery (see page 34).
The sound from the fixed
line phone is distorted and
disturbed
Base station is not adjusted to the
fixed line phone
Adjust the base station to your fixed line phone
(see page 18).
The other party cannot
hear me properly, my voice
sounds too low or too loud
Microphone sensitivity is not correctly
adjusted
Adjust the microphone sensitivity to the
Phone
mode (see page 18) or the
PC
mode (see page 19).
Your headset is no longer
paired to the base station if
an additional headset has
been used with the base
station
You can only use the last headset
paired to the base station (exception:
conference call)
Replace your headset into the base station
(see page 29).