Kenwood VZ907 - Manual (Page 42)

42
English
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 p. 4 ).
The power does not turn on. The fuse has blown. After checking for short circuits in the cables, replace the
fuse with one having the same rating.
No ACC position on vehicle ignition. Connect the same cable to the ignition as the battery cable.
A CD ejects as soon as it is
loaded. The CD is upside-down. Load the CD with the labelled side up.
The CD is quite dirty. Clean the CD, referring to the section on "Cleaning CDs
"(See p.5).
The sound skips on a CD. The CD is scratched or dirty. Clean the CD, referring to the section on "Cleaning CDs"
"(See p.5).
The specified track does not
play. Random play has been selected. Turn off the random play function.
The monitor does not open.
No TV/video image appears. The unit is not connected to the parking brake detection
switch. Make proper connections according to ”Connections“
(See p. 36).
The parking brake is not engaged. For safety reasons no TV/video images are displayed while
the vehicle is moving. Engaging the parking brake will cause
images 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.
The parking brake is not engaged. For safety reasons, the monitor does not open while the
vehicle is moving. Engaging the parking brake.