Troubleshooting - Clarion NP400 Manual De Instrucciones Y De Instalación

4. TROUBLESHOOTING

GENERAL
Problem Cause
Power does not turn on. Fuse is blown.
(No sound is produced.)
Incorrect wiring.
Nothing happens when The
buttons are pressed. microprocessor
has malfunctioned
Display is not accurate. due to noise, etc.
USB DEVICE
Problem Cause
USB device cannot be The USB device has
inserted. been inserted with wrong
direction.
The USB connector is
broken.
USB device is not recognized. The USB device is
damaged.
Connectors are loose.
16 NP400
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Measure
Replace with a fuse of the same amperage. If the
fuse blows again, consult your store of purchase.
Consult your store of purchase.
Turn off the power and open the operation panel.
Press the reset button with a thin rod.
Note:
When the Reset button is pressed, turn off the ACC
power.
* When the Reset button is pressed, frequencies
of radio stations, titles, etc. stored in memory are
cleared."
Measure
Reversing the connection direction of the
USB device, try it again.
Replace with a new USB device.
Disconnect the USB device and
reconnect. If the device is still not
recognized, try replacing with a different
USB device.