Crown Audio ADDENDUM 28M Benutzerhandbuch

Seite von 24
Commercial Audio Series Mixers
page 14
Operation Manual
CONDITION: No power to the 
mixer.
POSSIBLE REASON:
The mixer’s Power switch is off.
The mixer is not plugged into the power 
recep tacle.
The mixer’s high-voltage power supply circuit 
fuse has opened. Verify that the AC mains 
volt age is correct, then press the Reset button 
on the back panel.
If the unit is operated from a 24V DC supply, the 
internal fuse may have opened. (The power 
switch has no effect on 24V operation.)  
CONDITION: Distorted sound.
POSSIBLE REASON:
Input signal level is too high. Turn down your 
input volume controls. NOTE: Your mixer 
should never be operated at a level which 
causes the Clip LEDS to illuminate constantly.
Master volume level is too high. Turn it down to 
about 3/4 of maximum level.
CONDITION: No sound.
POSSIBLE REASON:
Check the fuse and replace if necessary, or 
return mixer to Crown or an authorized Crown 
Service Center for servicing.
3 Troubleshooting
No input signal.
Input signal level is very low.