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6 Troubleshooting
POWER
AES/EBU
DATA
POWER
AES/EBU
DATA
POWER
AES/EBU
DATA
Additional Error Checking
The CobraNet Setup window (Section 5.2.1) describes a group of error indicators that show errors associated with
CobraNet status.
page 70
CONDITION: Power indicator is
off.
POSSIBLE REASON
•
The unit has lost AC power.
•
The unit is not plugged into the power
receptacle.
CONDITION: AES/EBU indica-
tor is off, even though the unit is
being fed an AES/EBU signal.
POSSIBLE REASON
•
The AES input has not been selected,
either from the front panel or in IQwic
software.
CONDITION: Data indicator is
off, even though the unit is con-
nected to a network.
POSSIBLE REASON:
•
Unit is not receiving data. Check net-
work addressing of all components.
•
Note: Data indicator flashes only when
the amplifier is polled for data, or is
polled to see whether it is online.
INPUT
4
6
1
2
3
5
7
OUTPUT
4
6
1
2
3
5
7
INPUT
1
2
3
4
5
6
7
OUTPUT
1
2
3
4
5
6
7
Internal errors are automatically displayed on the LCD Display Screen. If an error is displayed, call Tech Support at
Crown and provide them the error number.
DBC Network Bridge
CONDITION: Input LEDs are off.
POSSIBLE REASON:
8
•
The unit is not receiving an analog or dig-
ital (CobraNet) input signal. Check
cables, cable wiring, and connections.
•
The source feeding the DBC Network
Bridge is not producing a signal. Check
8
its output signal.
•
The cable between the signal source and
the DBC Network Bridge is defective.
Replace or repair it.
•
Addressing has not been set up correctly.
Please review Section 1.2.
CONDITION: Output LEDs are off
but Input LEDs are flashing.
POSSIBLE REASON:
8
•
In IQwic, Signal Path tab, Cinema Sur-
round form, the output path has not been
set up.
8
Operation Manual
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