28 - Installation and Operation Guide
Installation and Operation
pro.Bose.com
Troubleshooting
Problem What to do
No power • Plug in IEC power cord
• Check mains power
Power is on, but
no sound
• Verify that there is an input signal from the source using ControlSpace Designer software.
The audio input metering should be in the green/yellow band.
• Verify that there is an output signal. The audio output signal metering should be in the
green/yellow band.
Sound is
distorted
• Using ControlSpace Designer software, verify that the audio input signal indicator blocks
are not showing solid red or flashing red. If they are, reduce the input pre-gain setting to
where the input is no longer clipping (red).
• Using ControlSpace Designer software, verify that the audio output signal indicator blocks
are not solid red or flashing red. If they are, and the input indicators are green, use the
Designer software to reduce the output gain or any intermediary gain in the signal path.
• If the input source signal is clean when it enters the system, and the input and output
indicators are green, verify that the loudspeakers are not being overdriven and are not
damaged.
No EX-1280C
network
connectivity
from
ControlSpace
Designer running
on PC
• Verify that the EX-1280C processor is fully booted. The Power/Status indicator LED should
appear solid white.
• Verify that the LAN settings on the TCP/IP Ethernet device you are using on the PC are set
correctly:
• If not using a DHCP server, the IP address of the PC should be set manually to an unused
IP address (e.g. 192.168.0.10).
• The default IP Subnet mask is set to 255.255.255.0.
• Check firewall settings on the PC, unblock all ports.
• Verify that the proper Host Network Interface Card Name is selected in ControlSpace
Designer Hardware Manager.
• Verify that there is not another device connected to the network with the same IP address.
• Refer to ControlSpace Designer Help for detailed steps to ensure the EX-1280C is on the
same network as the PC running ControlSpace Designer.
Power LED
remains red after
booting
• Most often the result of a design file/firmware mismatch.
• If necessary, retrieve saved design from the EX-1280C, then send a blank design to the EX-
1280C. The LED should change to white.
• Re-send the previous design after it has upgraded by importing the design into the latest
version of CSD.
No EX-1280C
network
connectivity
• Ensure the EX-1280C is connected to the network using the RJ-45 jack labeled
ControlSpace.
• Check that the network activity LED built into the ControlSpace RJ-45 jack is illuminated or
blinking to confirm an active network connection.
Unexpected EX-
1280C IP address
of 169.X.X.X
or 172.X.X.X.X
is shown in
Network Settings
– CS front panel
menu
• The EX-1280C will default to these ranges if set to DHCP while no DHCP server is present
on the network. Add a DHCP server to the network or change EX-1280C to a static IP
address.
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