Sennheiser 502873 Instruction Manual page 30

Problem Possible cause
Sound only Audio cable is defective
on one ear
Audio cable is not properly
connected
Sound is Signal of the sound source
distorted is distorted
Multi- Signal of the sound source
function is too strong
LED on
the trans-
mitter
flashes or
lights up
red
Other problems
Problem Possible cause
The No mains connection
transmitter
cannot be
switched on
Headphone Rechargeable batteries are
s cannot be flat
switched on
Rechargeable batteries are
inserted the wrong way
round
Operating Rechargeable batteries are
time exhausted
decreases
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.
If a problem occurs ...
Possible solutions Page
Replace the audio –
cable
Check the plug 12
connection
Reduce the volume –
of the sound source
Reduce the volume 21
by pressing the
²
VOLUME – button
on the headphones
Turn the 22
VOLUME control
on the transmitter
counter-clockwise
Reduce the volume 22
of the sound source
Possible solution Page
Check the connection 13
of the power supply
unit to the
transmitter and to
the mains
Recharge the 16
rechargeable
batteries
Remove the 15
rechargeable
batteries and
reinsert them again.
Observe correct
polarity
Replace the 14/15
rechargeable
batteries
29