The best way to check is probably to remove the grille from the module and use your fingertips to feel for cone
vibrations while music is being played through the system.
Be aware that no movement of the cone of a transducer is not positive proof that the transducer is bad. It could
be that its associated amplifier has failed or that the beam steering is limiting the drive to the transducer or
restricting its use to a narrow frequency band.
Module / Column Array Failrure (No Sound)
When a complete column array stops working, the first thing to verify is whether the column array is still receiving
AC power and audio signal.
The presence of AC power can be verified by removing the access panel. If the green power LED isn’t lit, either
the circuit breaker has tripped or the column array is no longer receiving power. Reset the circuit breaker to see if
this cures the problem. If it doesn’t or if the power comes on for only a brief period of time and then goes out
again, either the power supply or the amplifier section has probably failed. Don’t continue to reset the circuit
breaker as this may cause further damage to the power supply/amplifier.
We recommend replacing the entire power supply/amplifier assembly, instead of trying to
troubleshoot the assembly in the field.
If AC power is present and the circuit breaker has not tripped, either audio is not reaching the
column array or the power supply/amplifier has failed. If audio is reaching the column, we recommend replacing
the entire power supply/amplifier assembly, instead of trying to troubleshoot the assembly in the field.
To replace the power supply/amplifier assembly:
1.
Make sure that power to the column array is turned off.
2.
Remove both side panels from the non-functioning module.
Owners Manual
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