5
Troubleshooting
28
Not using TRS cables. Make sure you are using 1/4”
TRS cables.
Microphone level is too low. Phantom power is not
turned on.
Turn on phantom power using
the switch on the rear panel of
the mixer.
Microphone is damaged. Test the microphone on other
audio devices. If you detect
damage, contact the
manufacturer or dealer.
No or low sound from a
channel.
Channel level is too low. Turn up channel level.
Instrument volume is too
low.
Turn up t he ins trume nt’s
volume control. If problem
persists, check the instrument by
plugging headphones into the
instrument’s phone jack.
Gain is too low. Adjust the channel’s GAIN
control.
Internal effects aren’t
working.
Effects level is too low. Turn up the level using the
EFFECTS / AUX RET B
LEVEL control in the master
section of the mixer.
An effect hasn’t been
selected.
Press the EFFECTS knob on
the desired effect and make sure
the SIG indicator is lit.
External effects aren’t
working.
Effects processor is not
plugged in or turned on.
Make sure unit is plugged in and
turned on.
Aux outputs of mixer aren’t
connected to inputs of
processor or processor’s
outputs aren’t connected to
mixer’s inputs.
Make sure the mixer’s aux
outputs are connected to the
processor’s inputs and that the
processor’s outputs are
connected to the mixer’s aux
inputs.
Mixer’s effects return signal is
too low.
Turn up the output of the
effects processor or turn up the
mixer’s AUX RET A LEVEL or
EFFECTS / AUX RET B
LEVEL in the master section.
LED meters not working. Nothing is routed to the
HDPH/CTRL RM output.
Press the desired MIX or 2 TK
To Mix button.