Troubleshooting; Error Checklist - Sennheiser EM 550 G2 Instructions For Use Manual

Troubleshooting

Error checklist

Problem
No operation indication
No RF signal
RF signal available,
no audio signal,
"MUTE" display appears on the
display panel
Audio signal has a high level of
background noise
Audio signal is distorted
No access to a certain channel
During the soundcheck, only one
diversity display (I or II) appears on
the display panel
If problems occur that are not listed in the above table or if the problems cannot be solved with the proposed
solutions, please contact your local Sennheiser agent for assistance.
Possible cause
No mains connection
Transmitter and receiver are not on
the same channel
Transmitter is out of range
Transmitter is muted ("MUTE")
Receiver's squelch threshold is
adjusted too high
Transmitter doesn't transmit a
pilot tone
Transmitter sensitivity is adjusted
too low
Receiver's AF output level is
adjusted too low
Transmitter sensitivity is adjusted
too high
Receiver's AF output level is
adjusted too high
During scanning, an RF signal has
been detected on this channel and
the channel has been locked
During scanning, a transmitter of
your system operating on this
channel has not been switched off
One of the antennas is not
connected correctly
Possible solution
Check the connections of the mains
cable
Set transmitter and receiver to the
same channel
Check the squelch threshold setting
(see "Adjusting the squelch
threshold" on page 22) or
reduce the distance between
transmitter and receiving antenna
Deactivate the muting function
(see operating manual of the
transmitter)
See "Adjusting the squelch
threshold" on page 22
Switch the pilot tone transmission
on the transmitter on or
switch the pilot tone evaluation on
the receiver off
Adjust the transmitter sensitivity
correctly
See "Adjusting the audio output
level" on page 22
Adjust the transmitter sensitivity
correctly
See "Adjusting the audio output
level" on page 22
See "Scanning the channel banks for
free channels" on page 21
See "Multi-channel operation" on
page 22
Check the antenna connections
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