MCS 50

8. Trouble Shooting
Problem
Error message “Wrong number of
microphones” displayed
No sound when the microphone units are
switched on
Distorted sound
Connection to PC is not set up
(MCS-Editor to MCS 50)
E.g. there are not more than 5
microphones working
All microphone units are flashing
Chairman unit does not work anymore after
reset (user + manufacturer specific)
No sound via integrated loudspeaker of the
microphone unit, but microphone is working
Possible Cause
Too few or too many microphone units as
configured in the configuration
The supply voltage and the address of the
microphone units is missing
Cable connection interrupted
Input switched off
Gain is too low on the selected input
Input overloaded
Defective cable
Wrong interface has been configured in the
MCS-Editor
Hotplugging has destroyed the data bus
driver
Microphone units have the same address
Chairman definition is missing
Insert function is activated
New configuration
Solution
Use the MCS-Editor to check the
microphone units (refer to chapter
“6.8 Status Check”)
Use the MCS-Editor to check the
microphone units and connect the
missing microphone unit
Use the MCS-Editor to switch on the input in
the configuration
Use the buttons of the MCS 50 to
increase the level of the concerning input
amplifier (8. Parameter)
Use the buttons of the MCS 50 to
decrease the sound of the concerning input
(10. Parameter)
Connect a new cable
Use the MCS-Editor to configure a new
interface
Contact the service or your dealer
Check the address of the microphone units
Configure the chairman microphone unit
with the MCS-Editor (refer to
chapter “6.5 Microphone data - Selection of
chairman microphone units”)
Switch off the insert function (refer to “5.2
Configuration 11. Parameter”)
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