Troubleshooting - Stanton RM-402 Owner's Manual

Problem / Symptom
No Sound
No Sound- Master
Output (Booth and
Zone are OK)
No Sound
Headphones
Signal level is low
even with the
faders and input
level controls
turned up.
Mixer sounds noisy
Microphone doesn't
work
Sound is distorted-
Line or CD input

Troubleshooting

Is the power on? Check the power switch.Make
sure the channels are assigned properly to the
crossfaders. Make sure INPUT GAIN, is turned
up and output level control is turned up.
Depending on the input, check the rear panel
selector switches. Check the top panel channel
selector switches.
Make sure that MASTER TRIM on the rear
panel is turned up.
Do the headphones work with the CUE pan in
the PROGRAM position but not PFL? If so,
make sure that the channel PFL switches are
engaged. Check the CUE LEVEL control.
Check to make sure the talkback switch is NOT
engaged on the microphone input. Check the
EQ sliders.
Check to make sure that the microphone levels
are turned all of the way down if a microphone
is not being used.
Is the Mic gain turned up? Does the microphone
require phantom power? This mixer does not
provide microphone phantom power.
In general, turn down the INPUT GAIN
CONTROL. The input signal may be too loud for
the input gain control setting that you were using.
Is the EQ on? Turn off the EQ. If the distortion
goes away, then you need to turn down the
INPUT GAIN CONTROL.
Possible Cause/ Solution