P170
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.
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.
Microphone sensitivity set too high. Switch preattenuation pad in.
Crackling noises or low output
Partial short circuits due to
excessive humidity.
Place microphone in warm, dry room
and allow to dry.
6
Troubleshooting
