5 troubleshooting – Crown Audio I-Tech I-T8000 User Manual

Page 28

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Operation Manual

I-Tech Series Power Amplifiers

page 28

CONDITION: Power indicator is
flashing
.

POSSIBLE REASON:

The AC line voltage has dropped below

15% or has risen above 15% of the
rated range.

CONDITION: Power indicator is
off
and power switch is illumi-
nated.

POSSIBLE REASON

The amplifier’s Power switch is off.

CONDITION: Fault indicator is
flashing.

POSSIBLE REASON:

The amplifier channel has stopped oper-

ating. Refer the unit to an authorized
Crown Service Center.

CONDITION: Distorted sound.

POSSIBLE REASON:

Load is wired incorrectly or Output Mode

switch in LCD-screen menu is set incor-
rectly. Check both.

Input is overloaded by a signal level that is

too high. Turn down your amplifier level
controls (Encoders), or turn down the
input signal, until the clip light goes out.

Note: If the signal sounds distorted even
though the Clip LED is off, the input signal may
be distorted before it reaches the amplifier
input. Check gain staging and output levels of
the mixer or preamp.

5 Troubleshooting

“Off/Flashing/On” means that the LED
can be off, or flashing, or on.

CONDITION: Power indicator is
off
and power switch is not illu-
minated.

POSSIBLE REASON

The amplifier has lost AC power.

The amplifier is not plugged into the

power receptacle.

Rear-panel breaker is off.

CONDITION: Thermal indicator is
on.

POSSIBLE REASON:

The amplifier is becoming too hot for safe

operation. Allow amplifier to cool. Check
for loads less than 2 ohms, and for
excessive input levels. Check for proper
ventilation.

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