Troubleshooting - Roland V-combo VR-09 Reference Manual

Troubleshooting

If you suspect a malfunction, please read this section first.
Power does not turn on
Problem
When you press the [POWER] switch, the
power doesn't come on
No sound is heard
Problem
The device connected to the EXT INPUT jack
is not loud enough
No sound is heard
No sound is heard
(when external devices are connected)
There is no sound from the twelve keys at the
right of the keyboard
Can't hear the 1' harmonic bar
Problems with the sound
Problem
Playing dynamics do not change the sound
Can't split
Effect won't apply
58
Cause
AC adaptor is not connected correctly.
The batteries are exhausted.
Cause
Could you be using a connection cable that
contains a resistor?
The [VOLUME] knob is set too low.
Headphones or speakers are not connected.
The [LEVEL] bar or the LEVEL [ ] [ ] button
volume of each section is set to "0. "
The volume is set too low on the Expression Pedal.
All of the harmonic bars are raised.
Transistor Organ is selected and the [
[ ] bar at the right edge are both raised.
You've assigned the keyboard to play drum sounds
or sound effects, and are playing keys to which no
drum sound or sound effect is assigned.
The power of the connected external devices is not
turned on.
The Visual Control function is set "MIDI VISUAL
CONTROL 2" or "V-LINK 2. "
[PERCUSSION] button is turned on.
Cause
Some sounds always play at a fixed volume,
regardless of how strongly you play the keyboard.
The setting of Initial Touch is turned "OFF. "
The compressor effect is applied.
MIDI IN Mode is set to "KEYBOARD. "
There are some sounds to which effects will not
apply.
If you've switched registrations, the physical
position of the effect knobs may no longer match
the actual values of the settings.
When used in conjunction with the rotary effect,
the "TWIN ROTARY" multi-effect produces the
sensation that two rotary speaker units are being
used.
Action
Connect the AC adaptor is correctly.
Recharge the batteries.
Action
When connection cables with resistors are used, the
volume level of equipment connected to the EXT
INPUT jack may be low.
If this happens, use connection cables that do not
contain resistors.
Turn the [VOLUME] knob toward "Max. "
This unit does not have built-in speakers.
Connect headphones or speakers.
Use the [LEVEL] bar or the LEVEL [ ] [ ] buttons of
each section to adjust the volume.
Advance the expression pedal.
If all of the harmonic bars are raised, you won't hear
any organ sound.
Adjust the harmonic bars.
]] bar and If either the [ ] bar and the [
raised, you won't hear any Transistor Organ sound.
Turn the drum sounds or sound effects off or play
keys to which drums sounds are assigned.
Use the correct procedure to turn on the power of
the connected external devices.
When Visual Control setting is "MIDI VISUAL
CONTROL 2" or "V-LINK 2, " the group of twelve keys
starting at the very right of the keyboard are used
for controlling video images.
Therefore, no sounds are played even when you
press these keys.
Turn Visual Control function "OFF" or "MIDI VISUAL
CONTROL 1", or "V-LINK 1. "
If [PERCUSSION] button is on, the sound of the
1' harmonic bar will not be heard. This is not a
malfunction.
Action
This is not a malfunction.
Adjust the Initial Touch setting.
Turn the [COMPRESSOR] knob all the way to the left.
Unless you've connected a MIDI keyboard and are
using a two-manual setup, set the MIDI IN mode to
either "MODE 1" or "MODE 2. "
This is not a malfunction.
Operate the effect knob to make sure that the
setting is not at the minimum value.
Use the ROTARY SOUND [ON/OFF] button to turn
on the rotary effect.
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