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6. TROUBLE SHOOTING
GENERAL
Problem Cause Measure
Unit can not
power on.
Unit fuse blown. Replace with new fuse of correct rating.
Car battery fuse blown. Replace with new fuse of correct rating.
Unit can not
power on.
Nothing happens
when buttons are
pressed.
Display is not
accurate.
The microprocessor has
malfunctioned due to noise, etc.
Turn o the power and remove the DCP.
Press the [RESET] button with a thin rod.
Note:
When the [RESET] button is pressed, turn o
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 o.
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 an object installed inside
the unit.
Remove the object inside the unit.
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 when
power is rst turned
on.
Condensation may form on the
internal lens when the car is parked
in a humid place.
Let dry for about 1 hour with power on.
CMB1525194A(Z501) manual.indb 24 2010-11-26 15:51:05