Troubleshooting
178
FWX120 Operation Manual
8
Symptom
Cause
Remedy
The USB lamp
does not light up.
Use of the USB port is not
permitted.
Change the setting to permit the use of
the USB port.
A device other than USB
memory stick is inserted.
Insert a USB memory stick.
Please refer to the following URL for
more details on use of USB memory
sticks:
http://www.yamaha.com/products/en/
network/
The USB memory stick is not
functioning correctly.
Check with a PC or others if the USB
memory stick is usable.
The USB memory stick is
inserted via a hub.
The product does not support USB hub.
Insert the USB memory stick directly into
the USB port of the product.
The USB memory stick is
inserted via a USB extension
cable.
Use the USB memory stick by inserting it
directly into the USB port of the product.
USB memory
sticks cannot be
used while the
lamp is flashing.
Use of the USB function is
stopped by the overcurrent
protection function.
Use a USB memory stick with low
consumption current.
To restore the function, press and hold
the USB button for one second or more.
Data is not
copied even
after pressing
the USB button
and DOWNLOAD
button.
File copy through button
operation is not allowed.
Change the setting to permit file copying
through button operation.
No configuration file or
firmware file that allows copy
through button operation
exists in the USB memory
stick.
Using a PC or others, copy the file
that has been specified in the “Basic
configuration page” to the USB memory
stick.
There is missing
information in the
syslog saved in
the USB memory
stick.
The log is not recorded
immediately after the start,
immediately after inserting a
USB memory stick, and right
before removing the USB
memory stick.
The log cannot be written to the USB
memory stick until it is ready to be
written.
The amount of data in the
syslog is too large to write
to the USB memory stick in
time.
Reduce the amount of data in the syslog
by changing the save mode of log or
others.
Tip
If a USB 1.1-compatible USB memory
stick is used, the symptom may be
improved by using a USB 2.0-compatible
USB memory stick.
Unable to use USB
device
Q6