Operation Manual

English – 22 | MP-115-FM/MP-115
Troubleshooting
Problem Possible Cause Solution
Cannot power
on.
Battery is too low.
Install or replace the
battery.
The LCD displays
nothing when the
device is started.
Battery is too low.
Install or replace the
battery.
The buttons do
not work.
The keys are
locked.
Press and hold
to
deactivate the lock
function.
The volume is too
low.
Adjust the volume.
No sound when
playing an audio
file.
Bad audio file. Delete or skip the file.
Headphone plug is
dirty.
Clean the plug.
Noisy
reproduction
Bad audio file. Delete or skip the file.
The words of LCD
display
abnormality.
Incorrect language
setting.
Set in
Setting/Language
correct language.
No connection
between player
and PC
Check if the USB
cable is correctly
connected and in
good condition.
Files cannot be
downloaded
No more free
memory in the
player
Delete files which
were no longer
needed.
Battery is too low.
Install or replace the
battery.
Recording
cannot be done
No more free
memory in the
player
Delete files which
were no longer
needed.