39
English
FZ709E
6. TROUBLESHOOTING
Replace with a fuse of the same amperage.
If the fuse blows again, consult your nearest
service dealers.
Power does not turn on.
(No sound is produced)
Problem
Cause
Measure
Fuse is blown.
General
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).
No sound heard.
Consult your nearest service dealers.
Incorrect wiring.
Power antenna lead is
shorted to ground or
excessive current is
required for remote-on
the amplifiers or power
antenna.
No sound output when
operating the unit with
amplifiers or power
antenna attached.
Problem
Cause
Measure
USB/iPod
No sound heard.
Sound is interrupted or
has noise.
The device contains no
MP3/WMA/AAC files.
The files are not proper
MP3/WMA/AAC format.
Record MP3/WMA/AAC files properly to the
device.
Use only properly encoded MP3/WMA/AAC
files.
The device isn’t
recognized.
Connectors are loose.
Disconnect the device and reconnect
securely.
Can’t insert the device.
The MP3/WMA/AAC files
are improperly encoded.
Use only properly encoded MP3/WMA/AAC
files.
Connectors are loose.
Disconnect the device and reconnect. If the
device is still not recognized, try replacing with
a different device.
According to the state of
operation on the device,
the communication fault
is caused.
Disconnect the device and reconnect
securely.
The device has been
inserted improperly.
The connector is broken.
Try reversing the connection direction of the
device (usually the brand name surface should
be facing left).
Replace with a new device.
The device is damaged.
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.
