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Troubleshooting
Owner’s Manual
17
Troubleshooting
Troubleshooting
Symptom Cause Possible Solution
The power won’t turn on.
The power indicator doesn’t light.
The power cable is connected improperly. Connect the power cable properly (see
page 13).
The [POWER] switch is not turned ON. Turn the [POWER] switch ON. If the power still
will not come on, refer the problem to your
Yamaha dealer.
The unit is not receiving an input sig-
nal.
The input cables are not connected properly. Connect the cables properly.
No signal is output from external devices. Output a signal from the source device and
make sure that the SIG indicators on the appro-
priate channels will light.
The internal head amplifier gain is not set to an
appropriate level.
Set the internal head amplifier gain to an appro-
priate level.
The DIP switches are set to REFRESH, but the
Ri8-D-native device has not started up.
Start the Ri8-D-native device to send the setting
to the Ri8-D.
The input level is too low. A condenser microphone is connected. Turn the [+48V MASTER] switch ON.
Turn phantom power for the corresponding
channel(s) ON from the Ri8-D-native device.
The internal head amplifier gain is not set to an
appropriate level.
Set the internal head amplifier gain to an appro-
priate level.
No sound is heard. The cables are not connected properly. Connect the cables properly.
The DIP switches are set to REFRESH, but the
Ro8-D-native device has not started up.
Start the Ro8-D-native device to send the set-
ting to the Ro8-D.
Output is muted. Unmute the output on the Ro8-D-native device.
The head amp cannot be controlled. The Ri8-D has not been mounted on the RACK
of the Ri8-D-native device.
Mount the Ri8-D on the RACK of the
Ri8-D-native device.
Adjusting the internal head amp gain
does not change the audio level.
The Gain Compensation function is turned on. If you are not using the Gain Compensation
function, turn it off.
Adjustment of the [UNIT ID] rotary
switch or DIP switch settings seems to
be ineffective.
You may have adjusted the setting while the
power is ON.
Turn the power OFF, then change the setting.