Troubleshooting

Problem

Items to check

Action

Page

Problems with sound

A specific pad does not sound

Are the cables correctly connected to each pad and pedal?

Check the connections.

ØRear panel (connecting your equipment)

Could the instrument be “OFF”?

Assign an instrument.

ØEditing Instruments (INSTRUMENT)

Is the instrument’s “Volume” set too low?

Adjust the “Volume” of the instrument.

ØSetting the pad volume and pan (PAD VOL)

The layer switch (A–C) might be turned off.

Turn the layer switch on.

ØLayering the instruments (layer)

Have the settings for “OUTPUT” been made correctly?

Check the settings for “OUTPUT”.

ØAudio output assignments (OUTPUT)

Is the fader set too low?

Adjust the fader.

ØBasic operations

Could user samples have been deleted?

If you delete the user sample that’s assigned to a pad, it no longer produces sound.

Either load the user sample once again, or assign a different instrument.

ØImporting and playing audio files (USER SAMPLE)

Is the pad’s “trigger type” set correctly?

Set the pad’s “trigger type”.

ØTrigger settings

Is the connection cable correctly connected to the TRIGGER IN jack or the DIGITAL TRIGGER IN port?

Check the connections.

ØRear panel (connecting your equipment)

No sound/insufficient volume

Is the unit properly connected to other devices?

Check the connections.

ØRear panel (connecting your equipment)

Could the instrument’s volume be lowered?

Adjust the volume to an appropriate level.

ØBasic operations

Could the volume of the connected amplified speaker be lowered?

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Has the audio system’s input switch been set correctly?

Check your audio system.

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Is the volume of the device connected to the MIX IN jack too low?

Adjust the volume to an appropriate level.

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Is the input volume on this unit turned down too low?

Turn the [MIX IN/Bluetooth] knob to adjust the levels appropriately.

ØTop panel

Could the “Local Control” be “OFF”?

Normally, this should be set to “ON”.

(*1)

No sound when you strike a pad connected to a TRIGGER IN port / Trigger does not respond

If a pad that’s connected to the DIGITAL TRIGGER IN ports is assigned to the same trigger input as the pad that connected to a TRIGGER IN jack, the pad connected to the TRIGGER IN jack does not output sound.

Disconnect the pad connection cable from the DIGITAL TRIGGER IN port.

ØRear panel (connecting your equipment)

No sound when you strike a pad connected to a DIGITAL TRIGGER IN port / Trigger does not respond

Is the trigger input set correctly?

After connecting the pad, specify the trigger input that it will play.

ØTrigger settings

Could you be using carbon or metal sticks?

Use wood or plastic sticks. Using carbon or metal sticks might make the sensors malfunction.

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Could you be using metal brushes?

Use nylon brushes. Using metal brushes might make the sensors malfunction or scratch the pad.

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Troubles with SD card

SD card is connected but not recognized / Data is not visible

Is the SD card formatted correctly?

Format the SD card on this product.

ØFormatting an SD card

Are you using an SD card that’s supported on this unit?

Use an SD card that’s supported on this unit.

ØSide panel and front panel

Can’t play MP3/WAV file

Is the sample rate and bit rate of the MP3 file, or the sample rate and quantization bit rate of the WAV file supported by this unit?

Use MP3/WAV files that the product supports.

ØAudio files that can be played on the V51

Playback may be unable to keep up if you raise the playback speed of a high bit-rate of MP3.

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Can’t correctly set the A-B repeat times

When using a MP3 file, it might not be possible to play back the A-B repeat region correctly.

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Can’t play or import an audio file

Is the audio file format correct?

Check the audio file format, file name, and file name extension.

ØAudio files that can be played on the V51

Is the audio file in the correct location?

Check the location of the audio file.

ØWhen saving audio files from your computer to an SD card

Could a large number of audio files be in the folder?

Keep the number of audio files in a folder to 200 or fewer.

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Problems with USB

Can’t communicate with a computer

Is the USB cable connected correctly?

Check the connections.

ØRear panel (connecting your equipment)

Are you trying to transmit/receive three or more channels of USB audio?

You must install a USB driver to transmit or receive three or more channels of USB audio.

Install the USB driver on your computer.

ØConfiguring the USB driver

Are you using a cable that supports USB 2.0?

The product cannot be used with cables that support USB 3.0. Use the cable that supports USB 2.0.

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Have the settings for “Driver Mode” been made correctly?

Choose the setting that’s appropriate for your situation.

ØConfiguring the USB driver

Troubles with MIDI

No sound

Are the MIDI cables connected correctly?

Check the connections.

ØRear panel (connecting your equipment)

Is the MIDI channel set correctly?

Set the MIDI channels of the product and external MIDI device to the same setting.

(*1)

Has the note number been set properly?

Set the pad’s “NOTE NO.”.

(*1)

Other problems

The power does not turn off automatically even when the auto-off function is set

Is the unit connected to the computer/smartphone via USB?

When a computer/smartphone is connected to this unit via USB, the power does not turn off automatically.

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*1: Refer to “Data List” (Roland website).