CT Power Amplifiers
15 Troubleshooting | FLASHING | ||
15.1 Power Indicator |
| CONDITION: Thermal indicator is flashing | |
| POSSIBLE REASON | ||
OFF |
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| • Amplifier has become too hot to operate. Allow amplifier | ||
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CONDITION: Power indicator is OFF. |
| to cool. Amplifier will not pass audio if amplifier has | |
POSSIBLE REASON |
| become too hot | |
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• The amplifier has lost AC power. |
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• The amplifier’s Power switch is off. | 15.4 Clip Indicator | ||
• The amplifier is not plugged into the power receptacle. | ON or FLASHING | ||
• The amplifier output level is so high that the power supply | |||
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circuit breaker has tripped. Allow the unit to cool. Turn |
| CONDITION: Clip indicator is ON or FLASHING. | |
down the Level controls. Press the Reset Switch on the |
| POSSIBLE REASON | |
back panel. |
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| • input level or output level is distorting | |
FLASHING | |||
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CONDITION: Power indicator is FLASHING.
POSSIBLE REASON
• The AC line voltage has dropped below
• Amp is in Deep Sleep Mode.
15.2Fault Indicator
FLASHING
CONDITION: Fault indicator is FLASHING.
POSSIBLE REASON
• The amplifier channel has stopped operating. Refer the unit to an authorized Crown Service Center.
• Check for shorted outputs
15.3Thermal Indicator
ON
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 4 ohms, and for excessive input levels. Check for proper ventilation and proper
15.5Signal Indicator
OFF
CONDITION: Signal indicator is flashing even though audio is applied, and the channel is ready.
POSSIBLE REASON
•Input signal level is very low
•Level controls are turned down
15.6Ready Indicator
OFF
CONDITION: Ready indicator is OFF.
POSSIBLE REASON
• Amplifier may be in deep sleep
FLASHING
CONDITION: Ready Indicator flashing
POSSIBLE REASON
• Amplifier is in Standby mode. Flashing will stop once there is an input signal.
Operation Manual | page 15 |