Crown Audio CTS4200A Manuel D’Utilisation

CONDITION: Power indicator is off.

The amplifi er has lost AC power.

The amplifi er’s Power switch is off.

The amplifi er is not plugged into the 

power receptacle.

The amplifi er output level is so high that 

the power supply fuse has blown. Verify 
that input levels and output impedances 
are within safe ranges. Refer the unit to 
an authorized Crown service center for 
fuse replacement.

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CONDITION: Power indicator is
fl ashing.

The AC line voltage has dropped below 

10% or has risen above 10% of the
nominal line voltage of the power supply.

Refer to section 5.1.6 for specifi c voltage 
requirements.

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The amplifi er channel has stopped 

oper ating. Return the unit to an 
authorized Crown Service Center.

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CONDITION: Distorted sound.

 Load is wired incorrectly or Dual/Bridge 

mode switch is set incorrectly. Check 
both.

Input is overloaded by a signal level that is 

too high. Turn down your amplifi er level 
controls, or turn down the input sig nal, 
until the clip light goes out.

Thermal Level Control (TLC) is active.

Note: If the signal sounds distorted even 
though the Clip LED is off, the input signal is 
distorted. Check gain staging and output 
lev els of the mixer or preamp. 

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