Bose ControlSpace AMS-8 Notice D'installation page 22

6. Troubleshooting
6. Troubleshooting
22
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No power Plug in power cord, turn power on.
Power is on but no sound Verify that there is an input signal from the source.
in any zones
Verify that there is an output signal.
If there is an input signal and no output signal the ControlSpace
muted or the output levels may be down.
Power is on but Verify that the audio input indicator is green. If it
sound is low is off, increase the source output or the input gain.
If the audio input indicator is green and the audio output signal indicator
is green, verify there is enough gain in the amplifier and check output
levels.
Sound is distorted If the input source signal is clean when it enters the CS AMS-8 system,
verify that the loudspeakers are not being overdriven and are not
damaged.
Unnatural sound Verify that the correct speaker EQ or crossover is used in the signal path.
Make sure the input signal is not distorted/ too high.
Power is on but no sound Check all connections on the CS AMS-8 system rack.
in 1 or more zones
Check if the amplifier is operating correctly and gains are adjusted
appropriately.
Verify the default settings and maximum volume settings of the room in
the Live installer software or on the system rack.
Check if Events or Room Combining presets are activated.
No paging/chime from Check cabling between PC-soundcard, microphone and system rack.
user software Check volume control settings of the PC itself.
No control/ Check the cabling between CS-WC/CS-PP and the system rack.
communication from In the room settings menu of the system rack, the status of the wall
CS-WC/ CS-PP controller is shown. If it shows 'WC-', then there is no communication
with the specific wall controller.
Verify the number of the wall controller and, make sure the wall
controller number is set to the room number it should serve.
No communication/ control Check the RS232 pinout of the cable. Reduce the length of the cable
between PC and AMS-8 (10m Max.). Make sure the installer software shows that the INETGui
system rack when using connection is online.
the installer software
No Audio Signal from a Make sure the audio cable is connected to the LEFT output connector
mono configured Local of the CS-LIM.
Input Module
Audio signal on output Make sure to adjust the input gain to 0dB. A constant 3dB input
drops down when a signal will mute the input stage. E.g.: for a CD-player with an output
source with a high output signal of +6dB , the input gain should be reduced with at least 3dB
level is playing (6dB is prefered).
The Talk Led on the This indicates a communication problem. Check the communication
paging panel fl ashes cabling between AMS-8 and Paging panel. Make sure the termination
between red and green jumper is set at the last CS-PP.
No paging signal from Check the connection between AMS-8 and the CS-PP. Check the routing
paging panel settings in the Live Installer Software or on the AMS-8 unit (using the
LCD and navigations buttons).
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