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DD-8+ Power
TROUBLESHOOTING AND MAINTENANCE
Troubleshooting
The amplifier does not power on.
The Trigger Input is connected to an external device, but the amplifier does not power on and off with the
external device.
Source signals are present and the system is at a suitable volume level but one or more channels are not
passing audio.
Owner's Manual
Please visit www.lexicon.com for the latest technical bulletins and documentation.
Attempt to power on the amplifier with the front panel Standby/On button.
Examine the power cord to ensure a good connection between the rear panel AC input connector and the
wall outlet.
Check the wall outlet.
If connected to a third party IP control system or other external device, connect a trigger cable and send a
trigger signal to the DD-8+.
Verify the trigger cable is connected at both ends and verify that the trigger cable is connected to the right
device. Also re-verify the trigger installation instructions as instructed in the Basic Operation section of this
user guide.
Verify the trigger level of the output source device. The DD-8+ accepts a range of 5-15VDC.
1.
Open the Configuration Dashboard as instructed in the Basic Operation section of this user guide.
a.
Confirm that the MUTE and DIM checkboxes are not engaged (checked) on the silent channels.
2.
Reduce system volume level, then
a.
Push the standby mode button on the front panel.
b.
Check input connections.
c.
Check speaker connections.
d.
Allow the amplifier to cool before powering it on again.
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