5 Troubleshooting
CONDITION: No sound, even though the amp has power. Power LED is on with-
out flashing and the amp is receiving an input sig- nal. Signal indicator is on or flashing.
POSSIBLE REASON:
• Speakers not connected.
• Open circuit due to speaker failure.
• There is a short on the amplifier 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.
CONDITION: No input signal. Signal indicator is not flashing even though audio is applied, and the channel is ready.
POSSIBLE REASON:
• Input signal level is very low.
CONDITION: Data indicator not flash- ing, even though host computer IQ software is active.
POSSIBLE REASON:
•Cable between computer and amplifier is bro- ken or not connected.
Note: Data indicator flashes only when the amplifier 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: Yellow LINK ACT indicator is on but green 100Mb indicator in Ethernet connector does not illuminate.
POSSIBLE REASON:
•Network connection is 10Mb. The
CONDITION: Computer does not communicate with the network devices.
POSSIBLE REASON:
•Incorrect wiring. See Section 4.5.4 on wiring.
•IP Addressing is not done correctly. See Section 4.5.5 on address- ing rules.
Operation Manual | page 29 |
