Appendix
MIDI Pedalboard PK-9
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5. Appendix

Troubleshooting

If the PK-9 does not function as you expect, please
check the following points first. If this does not resolve
the problem, contact your dealer or a nearby Roland
service center.

The PK-9 suddenly went off

When 240 minutes have elapsed since you last played
or operated this unit, the power will turn off auto-
matically. (This is the factory setting). If you don’t
need the power to turn off automatically, turn the
“Auto Off” setting “Off.” Refer to page 16.

No power

If the PK-9 is supposed to be powered using the
adaptor
Did you press the PK-9’s [POWER] switch (rear
panel)?
Press the PK-9’s [POWER] switch.
Did you connect the supplied AC adapter?
Connect the adapter.
If the PK-9 is supposed to be powered via its PK
OUT socket
Did you connect the supplied PK cable to the external
instrument’s PK IN connector and the PK-9’s PK OUT
socket?
Please see “Connecting the PK-9 to an external
instrument with its PK cable” on p. 11.
Did you switch on the external instrument?
Switch on the external instrument. The PK-9’s
power is switched on/off in tandem with the
external instrument when it is connected via PK
cable.

No sound plays

Does the external instrument’s MIDI channel match
the PK-9’s MIDI channel?
When connecting to any external MIDI device, you
must match the PK-9’s MIDI channel to the MIDI
channel set on the connected device. See “MIDI
Transmit Channel” on p. 15 for how to set the
PK-9’s transmit channel.

Sounds are not playing correctly

Confirm whether or not the Octave function is set
correctly (page 15).

The external pedal or footswitch doesn’t oper-

ate correctly

Is the external pedal or footswitch connected cor-
rectly?
Please check the connection. See “Connecting an
optional external pedal or footswitch to PK-9” on
p. 13.
Are you using an EV-series expression pedal or a
Roland DP-series or BOSS FS-5U footswitch?
Use only the specified expression pedal (Roland
EV-series, sold separately) or pedal switch (Roland
DP-series, BOSS FS-5U). By connecting any other
expression pedal or footswitch, you risk causing
malfunction and/or damage the unit.
Did you assign a function to “Pedal Assign” parame-
ter that is supported by the receiving device?
Please see “Pedal Assign” on p. 16 and the owner’s
manual of the external MIDI instrument.
Did you connect the MIDI cable correctly?
Please see “Connecting the PK-9 to an external
MIDI device” on p. 12.
PK-9_multi.book Page 19 Monday, April 23, 2012 3:03 PM