Troubleshooting - Clarion NX509E Owner's Manual & Installation Instructions

8. TROUBLESHOOTING

If you have a problem with this system, check the following items to resolve it. See also our homepage
(www.clarion.com) for additional information.
General
Problem
Power does not turn
on. (No sound is
produced.)
Nothing happens
when buttons are
pressed.
Display is not
accurate.
The remote control
unit does not work.
The display is dark.
There are red, green
and blue points in
the display.
54
Cause
Fuse is blown.
Incorrect wiring.
The microprocessor has
malfunctioned due to
noise, etc.
Direct rays of the sun fall on
the light-receptive part of
the remote control unit.
The battery of the remote
control unit is dead or there
is no battery in the remote
control unit.
The Dimmer control is too
low.
The operating condition is
not good.
The headlight of the vehicle
is lit.
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. Press the Reset button with a
thin rod.
Note:
When the Reset button is pressed, turn off the ACC
power.
• The frequencies of radio stations, setting data,
etc. stored in memory are not cleared even
when the Reset button is pressed.
When direct rays of the sun fall on the light-
receptive part of the remote control unit, it may not
work.
Check the battery of the remote control unit.
Adjust the Dimmer properly.
The temperature inside the vehicle may be 0°C or
lower. Set to an appropriate temperature (25°C or
so) and check it again.
The display is made dark at night to prevent the
glare (when the headlight is the vehicle is lit in the
daytime, the display gets dark).
This is not a failure, but a phenomenon peculiar to
a liquid crystal display (The liquid crystal display is
produced according to technology with very high
precision. Note that, though there are effective
pixels of 99.99% or more, pixel missing or
normally lit pixels account for 0.01%).
Reset button