English
16
Troubleshooting Guide
What might appear to be a malfunction in your unit may just be the result of
slight misoperation or miswiring. Before calling service, first check the
following table for possible problems.
SOLUTION
POSSIBLE CAUSE
PROBLEM
Nothing happens when the
buttons are pressed.
The computer chip in the unit is
not functioning normally.
Press the reset button on the unit
(See page 3).
The power does not turn on.
The fuse has blown.
After checking for short circuits
in the wires, replace the fuse
with one having the same rating.
No ACC position on vehicle
ignition.
Connect the same wire to the
ignition as the battery wire.
No television/video picture
appears.
(Television picture : when the
KTC-V800N or KTC-V800P is
connected)
The unit is not connected to the
parking brake detection switch.
Make proper connections
according to ”Connection“ (See
page 15).
The parking brake is not
engaged.
For safety reasons no video
picture are displayed while the
vehicle is moving. Engaging the
parking brake will cause picture
to be displayed.
The screen is dark.
The unit is in a location where
temperature is low.
If the temperature of the monitor
unit drops, the screen may
appear darker when power is first
turned on due to the
characteristics of a liquid crystal
panel. Wait a while after turning
power on for the temperature to
rise. Normal brightness will
return.
AM/FM radio reception is poor
and/or there is noise.
(When the KTC-V800N or KTC-
V800P is connected)
The TV antenna and vehicle‘s
radio antenna are too close.
• Separate the two antennas as
far as possible.
• Turn off the LZ-701W.
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