Appendices; Troubleshooting - Roland KR-115 Owner's Manual

Appendices

Troubleshooting

If you think there's a problem, read this first.
Case Cause/Remedy
The power doesn't
Is the power cord connected and plugged
in correctly? (p. 21)
come on
The button doesn't
Is the panel locked? (p. 181)
Turn the power off, then back on.
work
The KR uses a liquid-crystal screen, so text
Nothing appears
may not be displayed when the ambient
on screen
temperature is below freezing.
Vertical lines
These occur due to the nature of a liquid
appear in the
crystal display, and do not indicate a
screen/Color is
malfunction. They can be minimized by
"washed out" at the
adjusting the brightness of the screen
edges of the
(p. 25).
screen
The positioning of the touch screen may
The touch screen
become displaced if some time has passed
doesn't respond since it was last used. Take a look at
"Calibrating the Touch Screen (Touch
correctly
Screen)" (p. 175) to correct the positioning.
Is the pedal connected correctly?
Make sure the pedal cord extending from
the stand is securely connected to the pedal
connector on the rear of the unit (p. 21).
Depressing a
Has a different function been assigned to
pedal has no
the pedal?
See "Assigning Functions to Pedals and
effect, or the pedal
Performance Pads (Pedal Setting/User
effect doesn't stop
Functions)" (p. 167).
Normal pedal operation is automatically
enabled when the One Touch Program
[Piano] button is pressed (p. 22).
Could you be using a connection cable that
The volume level
contains a resistor?
of the instrument
Use a connection cable that does not
connected to Input
contain a resistor.
jacks is too low
926b
Unable to read
Are you using (optional) Roland memory?
from/write to Reliable performance cannot be guaranteed
if you use non-Roland memory products.
external memory
Do you have different external devices
Low hum coming
plugged into different power outlets?
from external
When connecting external devices, always
device
draw power from the same outlet.
No data from the remote control is received
Remote Control
when the Remote Sensor is switched off.
not functioning
Check (p. 172).
Case Cause/Remedy
Screen on connected display or television
doesn't look right
Is the external display properly connected (p.
185)?
Is the external display's power turned on?
Are you using a display that is compatible
with the KR?
Refer to "Displays That Can Be Connected
to This Instrument" (p. 185).
Images not shown
Do you have a television and external
on external display
display connected at the same time?
when external
Connect only one of these.
display is
Are the KR's settings correct?
connected
Follow the instructions in "Selecting
Images To Be Shown on the KR and
External Displays (User Image Display)"
(p. 170) to set the "External Display" image.
Also refer to "Changing the Settings for
Showing Images with the External Display
and the Television (External Display)" (p.
186).
While narrow horizontal lines may be
Thin horizontal
visible in the television screen, this is a
lines visible in the particular characteristic of the television set
and does not indicate any problem with the
television screen
KR.
Even when all recommended settings are
used, images may still not be displayed
Poor-quality of
well with the television set you are using
images displayed
(images may not match the screen size, and
in television
may be clustered towards the center of the
screen).
No sound is heard
Is the volume level of the KR (p. 22) or
connected device turned all the way down?
Are headphones plugged in? (p. 23)
Has a plug remained connected to the
Phones jack?
When headphones or plugs are connected,
the keyboard's speaker stops playing.
Has the Balance knob been moved all the
No sound is heard
way to the right or left?
Has the volume been set to "0" using the
Part Balance? (p. 73)
Are all sliders in the Equalizer screen at the
minimum level? (p. 44)
Has the footage been adjusted so that all
frequency components aren't sounded?
(p. 15 in the Quick Start)
197