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9. TROUBLESHOOTING
Power does not turn on.
(No sound is produced)
Replace with a fuse of the same amperage.
If the fuse blows again, consult your store of
purchase.
Incorrect wiring.
Consult your store of purchase.
ii
..
Q)
c
Q)
CJ
No sound output when
operating the unit with
amplifiers or power
antenna attached.
Power antenna lead is
shorted to ground or
excessive current is
required for remote-on
the amplifiers or power
antenna.
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).
Nothing happens when
button are pressed.
Display is not accurate.
The microprocessor has
malfunctioned due to
noise, etc.
Perform factory restore. Please refer
"Restoring
to factory default setting"
on page 28 for
more details.
No sound heard.
The speaker protection
circuit is operating.
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.
No sound heard. MP3 files are absent in a
SO
memory card.
Write MP3 files onto the
SO
memory card
properly.
Files are not recognized
as an MP3 file.
Use MP3 files encoded properly.
Format
SO
memory card as FAT12 or FAT16.
Use MP3 files encoded properly.
File system format is not
correct.
MP3 files are not
encoded properly.
SO/MMC memory card
is not readable.
'Et-------------/----------t---------------------\
fj Sound is cut or skipped.
~
Noise is generated or
~
noise is mixed with
Q) sound.
El----------f-------------1I-------------------I
c
(J)
Incompatible SO/MMC. Please make sure your SO/MMC is supported
or consult your nearest Clarion dealer for SO/
MMC compatibility.
32 FB275BT I FB275BTB
9. TROUBLESHOOTING
Power does not turn on.
(No sound is produced)
Replace with a fuse of the same amperage.
If the fuse blows again, consult your store of
purchase.
Incorrect wiring.
Consult your store of purchase.
ii
..
Q)
c
Q)
CJ
No sound output when
operating the unit with
amplifiers or power
antenna attached.
Power antenna lead is
shorted to ground or
excessive current is
required for remote-on
the amplifiers or power
antenna.
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).
Nothing happens when
button are pressed.
Display is not accurate.
The microprocessor has
malfunctioned due to
noise, etc.
Perform factory restore. Please refer
"Restoring
to factory default setting"
on page 28 for
more details.
No sound heard.
The speaker protection
circuit is operating.
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.
No sound heard. MP3 files are absent in a
SO
memory card.
Write MP3 files onto the
SO
memory card
properly.
Files are not recognized
as an MP3 file.
Use MP3 files encoded properly.
Format
SO
memory card as FAT12 or FAT16.
Use MP3 files encoded properly.
File system format is not
correct.
MP3 files are not
encoded properly.
SO/MMC memory card
is not readable.
'Et-------------/----------t---------------------\
fj Sound is cut or skipped.
~
Noise is generated or
~
noise is mixed with
Q) sound.
El----------f-------------1I-------------------I
c
(J)
Incompatible SO/MMC. Please make sure your SO/MMC is supported
or consult your nearest Clarion dealer for SO/
MMC compatibility.
32 FB275BT I FB275BTB