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Troubleshooting - Yamaha EXi8 Owner's Manual

Input/output expander
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An FAQ (frequently asked questions) list is at the Yamaha Pro Audio web site (
The device does not turn on, or
the panel LEDs do not light up.
Cannot exchange data between
the EXi8/EXo8 and system's dedi-
cated application software.
(EXi8/EXo8 is not shown in the
dedicated application software)
No audio input is present.
([INPUT SIGNAL] indicator does
not light)
No audio is output.
([OUTPUT SIGNAL] indicator
does not light)
[YDIF] indicator does not light
The [ALERT] indicator is flashing
EXi8/EXo8 Owner's Manual
Connect the power cord properly.
Make sure that the power switch is turned on.
If the power still does not turn on, contact your Yamaha dealer.
Is the NETWORK connector on the EXi8/EXo8 properly connected to your computer?
Have you specified the correct UNIT ID using the [UNIT ID] rotary switch and DIP switches 1 and 2
on the rear panel? Could the UNIT ID be conflicting with another device?
Set the rear panel DIP switch 6 (IP SETTING) to "UNIT ID" so that the IP address will be automati-
cally assigned according to the UNIT ID.
Connect the cable properly.
Make sure that a signal from an external device is being input.
Set the gain of the internal head amplifier or external head amplifier to an appropriate level.
Could the output level be lowered?
In the system's dedicated application software, could the channel's ON button be turned off?
Is the signal routing specified correctly?
Have settings such as patch, gain or level in the system's dedicated application software been made
Did you use an appropriate cable to make proper YDIF connections between the EXi8/EXo8 and
other devices in the system? Also, is the power to the YDIF-connected devices turned on?
An error has occurred. The [INPUT SIGNAL] indicator or the [OUTPUT SIGNAL] indicator that cor-
responds to the alert number flashes; refer to the "Alert list" on page 13 to determine the problem
and take appropriate action.
Possible cause, and action



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