Trouble Shooting - Clarion DFZ675MC Owner's Manual

8. TROUBLE SHOOTING

Problem
Power does not
turn on
(No sound is
produced)
No sound output
when operating the
unit with amplifiers
or power antenna
attached
Nothing happens
when buttons are
pressed
Display is not
accurate
"FAIL ****" is
displayed
No sound heard
Sound skips or is
noisy
Sound is cut or
skipped
Noise is generated
or noise is mixed
with sound
Cause
Fuse is blown
Incorrect wiring
Power antenna lead is shorted
to ground or excessive current
is required for remote-on the
amplifiers or power antenna
The microprocessor has
malfunctioned due to noise, etc
Anti-theft function is out of
order
There is a disc other than a
compact disc or foreign matter
already in place
MP3/WMA files are absent in a
disc or a SD memory card
Files are not recognized as an
MP3/WMA file
File system is not correct
Disc is dirty
Disc is heavily scratched or
warped
MP3/WMA files are not
encoded properly
Measure
Replace with a fuse of the same amperage
If the fuse blows again, consult your store of
purchase
Consult your store of purchase
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)
Press and hold the
[RESET] button for 2
seconds or longer with
a thin rod
Press and hold the [RESET] button for 2
seconds or longer with a thin rod
If the situation is not improved, contact your
local authorized Clarion dealer
Press and hold the [CDo] button for 3
seconds or longer
The foreign matter is forcibly ejected
Write MP3/WMA files onto the disc or the
SD memory card properly
Use MP3/WMA files encoded properly
Use ISO9660 level 1, 2 or JOLIET or
Romeo file system
Format SD memory card as FAT12, FAT16,
FAT32 or VFAT
Clean the disc with a soft cloth
Replace with a disc with no scratches
Use MP3/WMA files encoded properly
[RESET]
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DFZ675MC