User Manual

P120 P220 19
Troubleshooting
Problem Possible Cause Remedy
No sound Power to mixer and/or amplifier is
off.
Switch power to mixer or amplifier
on.
Channel or master fader on mixer,
or volume control on amplifier is at
zero.
Set channel or master fader on
mixer or volume control on amplifier
to desired level.
Microphone is not connected to
mixer or amplifier.
Connect microphone to mixer or
amplifier.
Cable connectors are seated
loosely.
Check cable connectors for secure
seat.
Cable is defective. Check cable and replace if
damaged.
No supply voltage Switch phantom power on.
Phantom power supply: connect to
power outlet or insert battery
(batteries).
Check cable and replace if
necessary.
Distortion Channel gain control on mixer set
too high.
Turn gain control down CCW.
Microphone too close to sound
source.
Move microphone further away from
sound source.
Switch preattenuation pad in.
Crackling noises or low outpu
t
Partial short circuits due to
excessive humidity.
Place microphone in warm, dry
room and allow to dry.
6 Troubleshooting