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If a problem occurs ...
30
EK 300 IEM G3 diversity receiver
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
Receiver cannot be
operated, “Locked”
appears on the display
panel
Lock mode is activated Deactivate the lock mode (see page 18).
No operation indication Batteries are flat or accupack is
flat
Replace the batteries or recharge the accupack
(see page 14).
No RF signal Transmitter and receiver are not
on the same channel
Set the transmitter and receiver to the same channel.
Synchronize the transmitter with the receiver
(see page 20).
Transmission range is exceeded Check the squelch threshold setting.
Reduce the distance between transmitter and receiving
antennas.
RF signal is deactivated
(“RF Mute“)
Activate the RF signal (see page 19).
RF signal available, no
audio signal, “MUTE”
appears on the display
panel
Transmitter is muted Cancel the muting (see page 16).
Receiver’s squelch threshold is
adjusted too high
Reduce the squelch threshold setting on the receiver.
Transmitter is set to mono
operation and therefore doesn’t
transmit a pilot tone
Deactivate the pilot tone evaluation.
Transmitter is set to stereo
operation and therefore
transmits a pilot tone
Activate the pilot tone evaluation.
Audio signal has a high
level of background
noise
Transmitter sensitivity is
adjusted too low
Adjust the transmitter sensitivity correctly.
Audio signal is distorted Transmitter sensitivity is
adjusted too high
Adjust the transmitter sensitivity correctly.
No access to a certain
channel
During scanning, an RF signal has
been detected on this channel
and the channel has been locked
Set the transmitter operating on this channel to a
different channel and redo the frequency preset scan.
During scanning, a transmitter
of your system operating on
this channel has not been
switched off
Switch the transmitter off and redo the frequency preset
scan.