Full Product Manual
12
Troubleshooting Guide
Issues
Possible Causes
Solutions
Unit not powering On
Battery is low on power
Plug in unit to wall outlet, let
unit charge for 24 hours
Fuse is burnt out
Use a replacement fuse with
the appropriate size and rating
No sound
It is muted or the
volume is at zero
Adjust the volume to your
required level
Are Input Devise is
improperly connected
Check the devise input and
make sure plugs are properly
connected
No sound while using
USB or SD card
Incorrect file format
Check if media files are
MP3 file format
Incorrectly reading
USB or SD card
Error or not
recognizing the
media
Remove and re-insert,
check if media files are
MP3 file format
Audio Distortion
Volume level too high
Lower the volume to a
comfortable level
EQ might not be on
the appropriate setting
for the music type
Change EQ setting to the
appropriate music type
Poor tuner reception
KoolMAX might not
be positioned
toward radio signal
Move the unit to a new position.
Weak signal
Change to another station
Unit is freezing
Not responsive
Turn off the unit, and power
it on again
Battery is low try changing unit
for 24 hours