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12 – CLA37
CLA37– 13
7. TROUBLESHOOTING
Loudspeaker difculties usually fall into one of the following categories. The causes for
each are listed in the most likely order of probability.
No Sound or Low Output
• Loudspeaker cables or connectors are not wired correctly or are faulty. Check
all cabling, referring to these instructions for the correct connections. The best
way to check a suspect cable is to swap it with a known good cable. Check the
loudspeaker’s input panel to verify correct cable connections.
• Electronic equipment is not turned on, or the level controls are not adjusted properly.
Make sure that all equipment in the signal path is powered up, and that all controls
are set to appropriate levels for normal operation.
• Loudspeaker is not working. Connect the loudspeaker cable to a known good
loudspeaker, leaving all equipment set to the same levels. If the problem disappears,
the loudspeaker is probably not working. Contact EAW Commercial Technical Support
for appropriate troubleshooting.
Distorted Sound
• The power amplier is clipping. The signal level is exceeding the limits of your
system and you must reduce the level.
• Other electronic equipment is being overdriven. Ensure that no equipment in the
signal chain is being over driven. For example: input(s) or summing bus in the mixing
console, equalizers, etc.
• Driver(s) not working properly. Contact EAW Commercial Technical Support for
appropriate troubleshooting.
Partial Sound (frequency band missing)
• Incorrect EQ settings in the electronic equipment. Ensure that all EQ settings and
lters on the mixing console, preamplier, or other equipment are set for normal
operation. Ensure that level controls on electronic crossovers and associated
ampliers are correctly set, and that all cables and connections for such equipment
are connected and working properly.
• Driver not working properly. Contact EAW Commercial Technical Support for
appropriate troubleshooting.
• The crossover network inside the loudspeaker is not working properly. Contact EAW
Commercial Technical Support for appropriate troubleshooting.