99
Introduction Playing Sounds Editing Sounds
Other Convenient  
Functions
Connecting Other 
Equipment
Appendix
Quick Guide
If an incorrect operation is performed, or if processing could not be performed as you specied, an error message will appear.
Refer to the explanation for the error message that appears, and take the appropriate action.
Message Meaning Action
Cannot Copy!
Layer 1, to which the SuperNATURAL Acoustic Tone 0028: TW Organ is 
assigned, cannot be copied to another layer.
Change the layer 1 Tone to something other than the SuperNATURAL Acoustic 
Tone 0028: TW Organ (p. 58).
Cannot Create Folder!
The allowable number of folders has been exceeded. Delete unneeded folders (p. 67).
It is not possible to create more than 8 levels of folders. Create the folder at a level higher than the 8th level (p. 66).
Cannot Delete! You attempted to delete a folder that was not empty. Empty the folder before deleting it (p. 67).
Cannot Move!
The allowable number of les has been exceeded.
Move the le to a dierent folder, or delete unneeded les before moving the 
le (p. 67).
The folder cannot be moved.
A folder cannot be moved into a folder within itself (i.e., its own sub-folder) 
(p. 67).
You attempted to move a folder to a level deeper than the 8th level. Move it to a folder that is higher than the 8th level (p. 67).
Cannot Write!
When saving Live Sets at the same time that you save a Registration, 
the same write destination was selected.
Select a dierent write destination for the edited Live Set (p. 62).
Cannot Import SMF 
Format 1!
Import of the arpeggio style is not possible.  
Only SMF data in SMF Format 0 can be imported.
Make sure that the SMF you’re importing as arpeggio style is in Format 0 (p. 49).
Cannot Import! Sound data cannot be imported.
There is no room to import the user arpeggio style included in the registra-
tion.
Delete unneeded user styles to create more free space.
Cannot Undo! Undo is not possible.
In the tone blender screen, Undo cannot be performed by pressing the [F3] 
(UNDO) button before you’ve pressed the [F2] (SHUFFLE) button.
Duplicate File Name!
When executing recording, Create Folder, or Rename operations, you 
specied a name that was identical to an existing le. When executing 
the Move operation, an identically named le existed at the move 
destination.
Specify a dierent le name (p. 67).
File Not Selected! No le is selected. Select a le (p. 64).
Incorrect File!
This is a le that the JUPITER-50 is unable to play. Select a le that is supported by the JUPITER-50 (p. 65).
The format of an SMF you intend to import to an arpeggio style must 
be Format 0.
Make sure that the SMF you’re importing is in Format 0 (p. 49).
Incorrect File Name! The le name is invalid.
In the Create Folder or Rename operations, the name must not begin with a 
“.” (period), and must not contain a character prohibited for le names (\ / ; * ? 
“ < > |) (p. 67).
MIDI Buer Full!
An unusually large amount of MIDI data was received, and could not 
be processed.
Reduce the amount of MIDI messages that are being transmitted.
MIDI Oine! The MIDI IN connection was broken.
Check that there is no problem with the MIDI cable connected to the 
JUPITER-50’s MIDI IN, and that the MIDI cable was not disconnected.
Move or Exchange Not 
Selected!
You have not selected Move or Exchange. Select Move or Exchange.
Percussion Tone Not 
Selected!
Manual percussion or drum is not selected.
The PERC TONE MODIFY screen will not appear if manual percussion or drum 
is not selected.
Permission Denied!
The operation could not be performed because the read-only attribute 
is set for the folder or le.
Use your computer to clear the read-only attribute of the le or folder.
Program Error!
The JUPITER-50 was unable to start up.
The program could not be read correctly. Alternatively, the system 
update program may be invalid.
Use the correct program to perform the update once again.
If this does not solve the problem, contact your dealer or customer support.
Read Error!
Data could not be read from the USB ash drive.
Make sure that USB ash drive is correctly connected (p. 5, p. 25).
Also make sure that you’re using a USB ash drive sold by Roland.
The le is damaged. Do not use this le.
Rotary Eects (MFX) 
Not Selected!
Rotary or VK-Rotary are not selected as the Live Set’s MFX Type. Select Rotary or VK-Rotary as the MFX Type (p. 58).
System Memory 
Damaged!
The contents of system memory may be damaged.
Execute the factory reset operation (p. 79).
If this does not solve the problem, contact your dealer or customer support.
Too Much Data!
There was too much data in the SMF you attempted to import into an 
arpeggio style.
Reduce the amount of data in the SMF. For details on the amount of data 
that can be imported, refer to “Creating an Arpeggio Style from a MIDI File 
(Import)” (p. 49).
USB Memory Full! There is insucient space on the USB ash drive. Delete unneeded data (p. 67).
USB Memory Not 
Ready!
The USB ash drive is not inserted, or is inserted incompletely.
Turn o the power, rmly insert the USB ash drive, and then turn on the 
power once again (p. 5, p. 25).
The USB ash drive was removed after you selected data that was on 
the USB ash drive.
The format of the USB ash drive is invalid. Use the JUPITER-50 to format the USB ash drive (p. 70).
User Style Not 
Selected.
Import or Erase cannot be executed because a user arpeggio style is 
not selected.
Select the user arpeggio style that you want to import or erase.
Write Error!
Data could not be written to the USB ash drive.
Make sure that USB ash drive is correctly connected (p. 5, p. 25).
Also make sure that you’re using a USB ash drive sold by Roland.
The format of the USB ash drive is invalid. Use the JUPITER-50 to format the USB ash drive (p. 70).
Error Message List