Troubleshooting; Disc Player - Clarion CZ21 5A Owners Manual And Installation Manual

5. TROUBLESHOOTING

General
Problem Cause
Power cannot be Fuse is blown.
turned on.
Incorrect wiring.
No sound output Power antenna lead is
when operating the shorted to ground or
unit with amplifiers excessive current is
or power antenna required for remote-on
attached. the amplifiers or power
antenna.
Nothing happens DCP or main unit
when buttons are connectors are dirty.
pressed.
Display is not
accurate.
No sound heard The speaker protection
circuit is operating.

Disc Player

Problem Cause
No sound heard MP3/WMA files are
absent in a disc.
Files are not
recognized as an MP3/
WMA file.
File system is not
correct.
Measure
Replace with a fuse of the same amperage.
If the fuse blows again, consult your dealer.
Consult your dealer.
1. Turn the unit off.
2. Remove all wires attached to the power
antenna lead. Check each wire for a
possible short to ground using an ohm
meter.
3. Turn the unit back on.
4. Reconnect each amplifier remote wire
to the power antenna lead one by one.
If the amplifiers turn off before all wires
are attached, use an external relay to
provide remote-on voltage (excessive
current required).
Wipe the dirt off with a soft cloth moistened
with cleaning alcohol.
1. Turn down sound volume. Function can
also be restored by turning the power
off and on again. (Speaker volume is
reduced automatically when the speaker
protection circuit operates).
2. If the sound is muted again, consult our
service department.
Measure
Write MP3/WMA files onto the disc
properly.
Use MP3/WMA files encoded properly.
Use ISO9660 level 1, 2 or JOLIET or
Romeo or APPLE ISO file system.
CZ215A/CZ315A
21