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Appendix
Troubleshooting
Problem
power won't turn on
No input or output is possible
The volume of the device connected
to INPUT 1–24 is too low
No sound is input via AES/EBU
INPUT
Cascade connection is not working
The sound contains much noise or
distortion
The input channel cannot be set
using the S-4000R
Items to check
A power cord other than the included item is being
used.
The power cord is damaged.
The operation mode has not been set correctly.
Output patching has not been set correctly.
Connection cables that contain resistors are being used. Use a connection cable that does not contain a resistor.
The gain has not been set correctly.
The unit is not synced to the word-clock signal from an
external device.
[MODE] switch 5 is set to ON (DISABLE).
[MODE] switch 2 is set to OFF (BACKUP).
The preamp gain has not been set correctly.
Phantom power is set to ON.
The wiring of the connection cable does not match the
pin assignment of the REMOTE connector.
Action
Use the included power cord.
Replace with a new power cord.
Consult with your retailer, the nearest Roland Service Center, or an
authorized Roland distributor, as listed on the "Information" sheet.
REAC has the following three operation modes, and the mode setting
for each connected REAC device must be made correctly.
Making the wrong settings may result in incorrect audio input and
output.
M
The unit functions as a REAC master device.
S
The unit functions as a REAC slave device.
SP
The unit functions as a REAC split device.
If the unit is connected to a V-Mixer, check Output Patchbay on the
V-Mixer.
Adjust the preamp gain for the channels.
When using AES/EBU INPUT, sync the S-2416 to the word-clock signal
from the external device, and input AES/EBU signals synced to the
word-clock signal from the external device.
Set the [MODE] switch 5 to OFF (ENABLE).
Set the [MODE] switch 2 to ON (CASCADE).
Adjust the preamp gain for the channels.
Audio distortion can occur when the preamp gain is too high.
The noise ratio rises when the preamp gain is too low.
Set phantom power to OFF for devices that do not require phantom
power.
Supplying phantom power to equipment that does not require such
power can cause audio distortion.
Try using the connection cable included with the S-4000R.
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