Miscellaneous functions | Troubleshooting
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FR-7b/FR-5b V-Accordion
Troubleshooting
This section provides an overview of points to check and actions to take when the FR-7b/FR-5b does not function as you
expect. Feel free to contact your Roland dealer if your issue remains unsolved after reading through this section.

The screen is difficult or impossible to read

If you have trouble reading the information in the
display, change the “10.1 LCD Contrast” setting
(page 69).

No sound

■Did you turn the [VOLUME] knob all the way to
the small dot?
Set it to a higher value.
■Did you turn the [BALANCE] knob all the way to
one side?
Change its setting and try again.
■Are you moving the bellows while triggering
accordion sounds?
The Treble and Bass/Free Bass sections only produce
sound if you move the bellows while playing notes
(like on an acoustic accordion).
■Did you connect the FR-5b to an external ampli-
fier?
The FR-5b doesn’t contain internal speakers and
therefore needs to be connected to an external
amplification system. Alternatively, you can use a
pair of headphones.
■Did you connect the audio cables to the correct
sockets?
If so, check whether the external amplifier, mixing
console, etc., is switched on. Also check the cables for
possible damage.

No power

■Did you remove the supplied (FR-7b) battery?
Be sure to install it again. Alternatively, connect the
FR-7b to the supplied FBC-7.
■Did you install the cover of the FR-7b/FR-5b’s
battery compartment?
You need to install it before you can switch on the
FR-7b/FR-5b (page 38). Be sure to tighten the screws
all the way.
■Did you connect the FR-5b to the FBC-7?
If you did not purchase an optional battery, the
FR-5b needs to be powered by the FBC-7.

The FR-7b/FR-5b does not respond to your

playing

■You may have selected “Ext. Seq. Playback” mode
for one or all sections.
Those sections therefore only respond to MIDI mes-
sages received from other instruments. Switch off
the “Ext. Seq. Playback” function (page 85).
■Are you moving the bellows while triggering
accordion sounds?
The Treble and Bass/Free Bass sections only produce
sound if you move the bellows while playing notes
(like on an acoustic accordion).

The chord rows of the bass keyboard don’t play

accordion sounds

■You probably switched on the Orchestra Chord
section.
Switch it off (see p. 29).

Certain parameters cannot be selected

■Is the FR-7b/FR-5b currently in “Easy” mode?
In that mode, only a basic set of parameters is avail-
able. Switch to “Full” mode (page 19).
■Does the FR-7b/FR-5b display a message to
inform you that a parameter or section is not
available?
If so, the section is off, which is why its parameters
cannot be edited. Switch the section on and try
again.

One section sounds off (flat)

Did you set “1.5 Scale Assign” to just one section? Set
it to “ALL” and try again (page 43).

Issues related to the bass buttons

■Why do the bass buttons only provide three
chord rows?
Because you set the “Bass & Chord Mode” parameter
to “3 Bs Rows” (page 70). Set it to “2 Bs Rows”.
■Why can’t I play diminished chords using the
bass buttons?
Because you set the “10.5 Bass & Chord Mode”
parameter to “3 Bs Rows” (page 70). Set it to “2 Bs
Rows”.
■In Free Bass mode, the bass buttons play the
wrong notes.
You may have changed the “Free Bass Mode” setting.
Be sure to select the system that best suits your play-
ing style (page 71).
■In Free Bass mode, only half the buttons play
notes.
That’s because the “STATUS” entry of the
“4.2 Register” parameter uses the same (“High” or
“Low”) setting for both reeds (or “Off” for one of
them and “High”/“Low” for the other). Choose com-
plementary settings (“High” for one, “Low” for the
other) or set at least one to “Whole” (page 54).