Troubleshooting - Boss Audio Systems 550B User Manual

TROUBLESHOOTING

Symptom
No Power
Disc cannot be loaded
Disc cannot be read
No sound
Operation keys not working
Sound skips
Radio does not work
Automatic radio station
selection does not work
12
Cause
Car ignition not on
Fuse blown
Another disc is already in the
player
Disc was inserted upside
down
Disc is dirty or scratched
Temperature inside the car
is too high
Volume turned down
Wiring not properly
connected
Front panel not properly
into place
Car interior is too hot
Installation angle is more
than 30 degrees
Disc is dirty or scratched
Antenna cable not
connected
Signals are too weak
Solution
Switch ignition key to "ACC"
Replace fuse
Eject disc and insert new
one
Insert disc with label facing
upward
Clean the disc or try to play
a new one
Allow vehicle to cool before
using player
Adjust volume to desired
level
Check and repair wiring
connection
Reinstall the front panel
Allow vehicle to cool before
using player
Adjust installation angle to
less than 30 degrees
Clean disc or try to play a
new one
Insert antenna cable
Select a station manually