Roland 04672434, VB-99 Troubleshooting

165
Chapter 9 Appendices
Chapter 9
If there has been a mistake in an operation or if the operation is not
executed properly, an error message will appear in the display.
Please follow the instructions indicated in the message to resolve the
issue.
“DATA WRITE ERROR”
● Writing to the memory for storage of user data failed.
❍ The unit may be damaged. Consult the nearest Roland
service center.
“MIDI BUFFER FULL”
“RRC2 BUFFER FULL”
“USB BUFFER FULL”
● The data cannot be processed correctly due to the high
volume of MIDI messages.
❍ Reduce the volume of MIDI messages transmitted to the
VB-99.
“MIDI OFFLINE”
“RRC2 OFFLINE”
“USB OFFLINE”
● Transmissions from the connected device have been
interrupted. This message also appears when the power
to the connected device has been turned off. It does not
indicate damage.
❍ Check to make sure no cable is disconnected and that
there are no shorts.
“OUT OF RANGE! SET AGAIN”
● The D Beam controller or ribbon controller cannot be
calibrated.
❍ If using the D Beam controller, change the range or
position and recalibrate to keep this message from
appearing.
❍ If using the ribbon controller, confirm the calibration by
carrying out the procedure once more.
If the message continues to appear even after the
calibration is correctly performed, it may indicate
damage or malfunction. Consult your Roland dealer or
contact Roland Service.
“USB DEVICE ERROR”
● Initialization of the VB-99’s internal USB device failed.
USB cannot be used.
❍ The unit may be damaged. Consult the nearest Roland
service center.
If the VB-99 is not producing sounds or if you think it is not
operating properly, first check the following points. If checking these
points fails to resolve the problem, consult your dealer or the nearest
Roland service center.
For more on the USB drivers and problems when using
the drivers, refer to the following file contained on the
VB-99 Software CD-ROM.
No sound/Low volume
❏ Is there a short in any connecting cable?
→ Try replacing the connecting cable.
❏ Are the VB-99 and other devices connected properly?
→ Check the connections with the other devices (p. 17).
❏ Is the power to the connected amp or mixer not turned
on, or is the volume turned down?
→ Check the settings for the connected device.
❏ Is the OUTPUT LEVEL knob turned down completely?
→ Adjust the knob to an appropriate setting (p. 20).
❏ Is the tuner on?
→ The direct sound is not output when the tuner is on if the
volume setting during tuning is set to MUTE ON (p. 23).
❏ Is the [SYSTEM] - GK - GK CONNCT set properly?
→ If a divided pickup is connected: set [SYSTEM] - GK -
GK CONNCT to ON (if AUTO does not function well).
→ If a divided pickup is not connected: set [SYSTEM] - GK -
GK CONNCT to OFF.
❏ Is [COSM BASS A] or [COSM BASS B] switched on?
→ No sounds from the divided pickup will be played if
[COSM BASS] is switched off. Switch on the [COSM
BASS].
❏ Is [A/B BALANCE] set correctly?
→ Set [A/B BALANCE] for the channel in which sounds
are being played.
Error Messages
Troubleshooting
OS Location
Windows XP \Driver\XP\Readme_E.htm
Windows Vista \Driver\Vista\Readme_E.htm
Mac OS X /Driver/Readme_E.htm
Problems with Sounds
VB-99_e.book 165 ページ ２００８年８月１８日 月曜日 午後１時１０分