5 Troubleshooting
CONDITION: No sound, even though the amp has power. Power LED is on
without fl ashing and the amp is receiving an input signal. Signal indicator is on or fl ashing.
POSSIBLE REASON
• Speakers not connected.
• Open circuit due to speaker failure.
• There is a short on the amplifi er output. First disconnect your speakers from the affected channel(s) one by one to determine if one of the loads is shorted.
• Ready LED is off. Channel has been set to standby mode via the software.
• Amplifi er is in blackout mode. Press or turn an Encoder to reactivate the LCD display.
CONDITION: No input signal. Signal indicator is not fl ashing even though audio is applied, and the channel is ready.
POSSIBLE REASON
• Input signal level is very low.
• Another source is selected or routed.
CONDITION: Data indicator not flash- ing, even though host computer software is active.
POSSIBLE REASON:
•Cable between computer and amplifi er is broken or not connected.
Note: Data indicator fl ashes only when the amplifi er is polled for data, or is polled to see whether it is online.
CONDITION: Yellow LINK ACTIVITY indicator in Ethernet connector does not illuminate or flash.
POSSIBLE REASON:
• Ethernet link is broken.
CONDITION: COND indicator is off.
POSSIBLE REASON:
•There is only one conductor allowed per network system. This indicator is lit only when the amplifi er is the conductor.
•Amplifi er is in blackout mode. Press or turn an Encoder to reactivate the LCD display.
CONDITION: Computer does not communicate with the network devices.
POSSIBLE REASON:
•Incorrect wiring. See Section 3.5 letter O on network wiring.
•IP Addressing is not done correctly. Use the Network Troubleshooting Wizard in System Architect.
page 40 | Operation Manual |