Allen&Heath Xone 23 - Manual (Page 16)

16
No sound from mixer
Check that the unit is powered on, and that an audio signal is connected
to a channel input.
Check that the Input level controls are turned clockwise at least to the
centre position and that the music sources connected are in the correct
inputs (Inputs 1 - 3 for turntables, Inputs 2 - 4 for CD players).
Check that the EQ controls are in the centre position.
Turn On the Channel CUE switch and raise the input channel LEVEL
control until you see the meters displaying the music signal.
Raise the channel fader, and ensure that the crossfader is towards the
channel that is receiving the audio signal.
Turn up the MASTER, MONITOR or HEADPHONE level controls,
depending on what output your amplifier is connected to, or if you are
monitoring through headphones.
External effects unit can’t be heard
Check that the Effects unit is connected correctly (see page 5) and
switched on - the SND on the rear panel of the mixer should be
connected to the input socket on the external effects unit, and the
output from the effects unit should be connected to the RTN.
Check that the EXT - ON switch is on (illuminated RED) and that the
channel FILTER switch is ON (illuminated BLUE).
Signal is loud and distorted
Check that the audio source is connected to the correct input; i.e. don’t
connect a CD player to the PHONO input.
Adjust the channel input LEVEL so that the meters peak the +3 or +6
LEDs. If the red +10 meter LED comes on, turn down the channel
LEVEL control.
FAULT FINDING