Panasonic PP103910 Operating Instructions Manual page 26

Error Display Messages (continued)
USB
26
A USB device is not connected or the connected device cannot be
recognized.
a Use the type of USB memory that is suitable for this unit.
Your USB device has no playable file.
a
Download playable file to your USB device.
A USB device the capacity of which exceeds the acceptable current
was connected.
For some reason, an over-current was detected.
a Use a USB device that has a consumption current of less than
500 mA.
a Switch the source, and select the USB mode again.
a Check that the USB connector section is not dirty, and that there
is no foreign material.
No operation by some cause.
a Turn off the power and turn on the power again, or turn the key
to the ACC OFF position and turn the key to ACC ON position
again. If this does not solve the problem, unplug the power
cord and plug it in again. In case the unit is still out of order,
consult your dealership.
The player for some reason cannot read the file you are trying to
play. (File recorded in an unsupported file system, compression
scheme, data format, file name extension, damaged data, etc.)
a Confirm that the USB extension cable is firmly connected, and
reconnect if not. Select a file that the player can read. Check
the type of data stored in the USB device. Format the USB de-
vice if necessary.
A WMA file can be copyrighted.
a The file protected by copyright is not playable.