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Troubleshooting – Crown Audio DCi Series – Analog Input Models User Manual

Page 16

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DCi Series

Power Amplifiers

Operation Manual

page 16

Troubleshooting

CONDITION: Power indicator is

flashing

.

POSSIBLE REASON:

• The AC line voltage has dropped below

10% or has risen above 10% of the

nomi nal line voltage of the power supply.

• Amp is in sleep mode as set on the

aux port.

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 and proper

mode-switch set ting.

CONDITION: Power indicator

is off

.

Mains indicator is on.

POSSIBLE REASON

• The amplifier’s Power switch is off.

CONDITION: Power indicator

is off

.

Mains indicator is off.

POSSIBLE REASON

• The power supply fuse has tripped.
• The amplifier has lost AC Power.
• The amplifier is not plugged in to the

power receptacle.

CONDITION: Fault indicator is

flashing.
POSSIBLE REASON:

• There are a number of conditions that

result in the Fault indicator flashing:

temperature above 98C, DC/LF protection

is engaged, HF detect, output short

circuit detected. These conditions should

all be checked and attempted to be

resolved before the amp is shipped back

for service.

“Off/Flashing/On” above means that

the LED can be off, or flashing, or on.