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If a problem occurs ...
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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 under “Service & Support”.
Problem Possible cause Possible solution
Bodypack
transmitter
cannot be
operated,
“Locked”
appears on
the display
panel
Lock mode is
activated
Deactivate the lock
mode (see page 12).
No opera-
tion indica-
tion
Batteries are flat
or accupack is flat
Replace the batteries or
recharge the accupack
(see page 8).
No RF signal
at the
receiver
Bodypack trans-
mitter and
receiver are not
on the same
channel
Set the bodypack
transmitter to the same
channel as the receiver.
Synchronize the body-
pack transmitter
with the receiver
(see page 27).
Transmission
range is exceeded
Reduce the distance
between bodypack
transmitter and
receiving antennas.
Increase the trans-
mission power
(see page 25).
RF signal is
deactivated
(“RF Mute“)
Activate the RF signal
(see page 13).
RF signal
available,
no audio
signal,
“MUTE”
appears on
the display
panel
Bodypack trans-
mitter is muted
(MUTE)
Cancel the muting
(see page 13).
Receiver’s squelch
threshold is
adjusted too high
Reduce the squelch
threshold setting on
the receiver.
Bodypack trans-
mitter doesn’t
transmit a pilot
tone
Activate or deactivate
the pilot tone transmis-
sion (see page 25).
Audio signal
has a high
level of
background
noise or
audio signal
is distorted
Bodypack trans-
mitter’s sensi-
tivity is adjusted
too low/too high
Adjust the input
sensitivity
(see page 20).