Master audio XCELLENCE SERIE Manual Usuario página 26

Master Audio
Fig.21. X15LTE flying points
12. TROUBLESHOOTING
No power
 Check the device is connected to mains
 Check mains cable is in good condition.
 The thermal fuse may be activated. The replacement of this fuse must be carried
out by specialized personnel as it is an internal component of the amplifier module.
No sound
 Check with the indicators that the signal is being sent from the mixer.
 Check that the signal cables are in good condition and connected at both ends
 The mixer output level must not be at minimum.
 Check that the mixer in not in Mute mode.
Distorted output signal
 The system is being saturated with a very high input signal, frequently caused by
the same mixer. Check the output level or mixer gain channels.
Poor bass levels
 Check the polarity on the signal connections between the mixer and cabinets. If any
of the Pins (1, 2 or 3) have been inverted at the cable ends, this will cause significant
performance and sound quality loss.
Noise and Hum
Xcellence "E "Series. Ver1.0 Nov12
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