Resetting the transmitter to the factory settings – Sennheiser Digital Wireless System MX W1 User Manual
Page 22

21
Resetting the transmitter to the factory settings
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 agent for assistance.
Hum
Interference due to 
charging via a USB 
socket of a PC while 
listening to music from 
the same PC
Charge from the 
power supply unit or 
choose a different 
audio source
Only one 
earphone has 
audio
Transmitter was 
switched on before the 
earphones were 
switched on
Briefly press the 
transmitter’s 
operation/pairing 
button
Earphones 
cannot be 
switched on
Rechargeable batteries 
have just been replaced
Briefly charge the 
earphones 
(see page 18)
In case of system malfunction:
̈
Use a pointed tool to press the reset button
for 1 second.
The transmitter is reset to the factory
settings and then restarted. 
Problem
Possible cause
Possible solution
- A200 (39 pages)
 - 523983/A01 (28 pages)
 - HD 500A (2 pages)
 - HD 270 (8 pages)
 - Ear Set 4 (23 pages)
 - 09969 (1 page)
 - Encore HS1 (1 page)
 - HD 200 (1 page)
 - HD 515 (4 pages)
 - 502817 (2 pages)
 - HD 457 (2 pages)
 - HD 437 (1 page)
 - HD 201 (1 page)
 - HD 497 (1 page)
 - deutsch Mx 80 (2 pages)
 - A1 (8 pages)
 - HD 270 Control (8 pages)
 - HD 238 (1 page)
 - HD 380 Pro (2 pages)
 - CC515 (1 page)
 - CX 55 (2 pages)
 - HD 212 Pro (1 page)
 - CX 500 white (2 pages)
 - CX 880 (2 pages)
 - HD 433 (8 pages)
 - 502816 (2 pages)
 - 502875 (38 pages)
 - HD 428 (2 pages)
 - 502874 (37 pages)
 - 2020 (60 pages)
 - FUSION HD 500 (8 pages)
 - CX 95 (2 pages)
 - CX HD 280 (1 page)
 - Earphones CX 300 black (2 pages)
 - CC 510 (1 page)
 - 04484 (1 page)
 - CX200 (2 pages)
 - 09920 (1 page)
 - ACTIVEGARD CC550 (1 page)
 - HD 205 (2 pages)
 - CC 530 (1 page)
 - 500 Series (42 pages)
 - HD 280 (13 pages)
 - EH 2270 (1 page)
 
