English
18
6. TROUBLESHOOTING
General
Problem
Cause
Measure
Unit does not turn
on.
Unit fuse blown.
Install new fuse with correct rating.
Car battery fuse blown.
Install new fuse with correct rating.
Unit does not turn
on.
Nothing happens
when buttons are
pressed.
Display is not
accurate.
Illegal operation.
Turn off the power and open the operation panel.
Press the Reset button with a thin rod.
Note:
When the Reset button is pressed, turn off the ACC
power.*
*When the Reset button is pressed, frequencies
of radio stations, titles, etc. stored in memory are
cleared.
Remote control
does not work.
Battery depleted.
Change the battery.
Battery installed incorrectly.
Install the battery correctly.
No/low audio
output.
Improper audio output connection.
Check wiring and correct.
Volume set too low.
Increase volume level.
Speakers damaged.
Replace speakers.
Heavily biased volume balance.
Adjust the channel balance to center position.
Speaker wiring is in contact with
metal part of car.
Insulate all speaker wiring connections.
Poor sound quality
or distortion.
Non-standard disc used.
Use a standard disc.
Speaker power rating does not
match unit.
Replace speakers.
Wrong connections.
Check wiring and correct.
Speaker is shorted.
Check wiring and correct.
Unit resets itself
when engine is off.
Incorrect connection between ACC
and Battery.
Check wiring and correct.
DISC player
Problem
Cause
Measure
Disc cannot be
loaded.
Another disc is already loaded.
Eject the disc before loading the new one.
There is a foreign object already in
place.
Eject the foreign object forcibly.
Sound skips or is
noisy.
Compact disc is dirty.
Clean the compact disc with a soft cloth.
Compact disc is heavily scratched or
warped.
Replace with a compact disc with no
scratches.
Sound is bad directly
after power is turned
on.
Water droplets may form on the internal
lens when the car is parked in a humid
place.
Let dry for about one hour with the power on.
01_Eng_CZ500A CAP.indd 18
2009-12-26 10:04:01
