Troubleshooting - Clarion M455A Owner's Manual

9. TROUBLESHOOTING

Problem
Power does not Fuse is blown.
turn on.
(No sound is
produced.) Incorrect wiring.
No sound output Amplifier turn-on lead is
when operating shorted to ground or
the unit with excessive current is required.
amplifiers.
Nothing happens The microprocessor has
when buttons are malfunctioned due to noise,
pressed. etc.
Display is not DCP or source unit
accurate connectors are dirty.
No audio. The speaker protection
circuit is operating.
Compact disc Another compact disc is
cannot be loaded. already loaded.
Sound skips or is
Compact disc is dirty.
noisy.
Compact disc is heavily
scratched or warped.
Sound is bad
Water droplets may form on
directly after the internal lens.
power is turned
on.
Source selection The microprocessor has not
does not stored the proper CeNET
recognize CeNET information.
source
connection. The CeNET cable is not
connected properly.
Cause
Replace with a fuse of the same amperage. If the
fuse blows again, consult your store of purchase.
Consult your store of purchase.
Turn the unit off and check each wire for a possible
short. If the amplifier turn-on lead shorts out, cover it
with insulation such as tape.
Turn off the power, then
press the [RELEASE]
button and remove the
DCP.
Press the reset button for
about 2 seconds with a thin
rod.
Wipe the dirt off with a soft cloth moistened with
cleaning alcohol.
1. Check the speaker connection.
2. Turn down sound volume. Function can also be
restored by turning the power off and on again.
3. If the sound is muted again, consult your store of
purchase.
Eject the compact disc before loading the new one.
Clean the compact disc with a soft cloth.
Replace with a compact disc with no scratches.
Let dry for about 1 hour with the power on.
Perform a system check.
See "Operations Common to Each Mode",
performing a system check section.
Ensure the CeNET cables are properly connected.
Measure
Reset button
M455A
31