Sennheiser DW Pro1/Pro2 User Manual

Page of 44
35
If a problem occurs
If a problem occurs 
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 
power supply (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 
power supply (see page 11).
Headset is not paired to the base 
station
Pair your headset to the base station 
(see page 30).
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 (see page 14).
Headset is not paired to the base 
station
Pair your headset to the base station 
(see page 30).
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
Bend the microphone boom so that the 
microphone 
 is about 0.8-1.2“ (2-3 cm) 
away from the corner of the mouth and 
does not rub on the cheek or beard.
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 
with a new one (see page 33).
The rechargeable battery is quickly 
depleted even after charging
Overaged rechargeable battery
Replace the overaged rechargeable battery 
with a new one (see page 33).
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 18).
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 30).
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.senncomm.com under “Service & Support”.