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5 troubleshooting – Crown Audio I-Tech Series User Manual

Page 32

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Operation Manual

I-Tech Series Power Amplifiers

page 32

CONDITION: Computer does not communicate with
the network devices.

POSSIBLE REASON:

• Incorrect wiring. See Section 4.5.3 on wiring.
• IP Addressing is not done correctly. See Section 4.5.5 on address-
ing rules.

CONDITION: Yellow LINK ACT indicator is on but
green 100Mb indicator in Ethernet connector does
not illuminate.

POSSIBLE REASON:

• Network connection is 10 Megabits.

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 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.

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.

Level controls (Encoders) are turned

down.

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.

5 Troubleshooting

Ready LED is off. Channel has been set to
standby mode via the IQ system.

CONDITION: Yellow LINK ACTIVITY indicator in
Ethernet connector does not illuminate or flash.

POSSIBLE REASON:

• Ethernet link is broken.