Maintenance and Troubleshooting
216
Operation of the capacitive touch screen is recommended with:
• Clean, dry fingers.
• Clean, dry, soft gloves.
Troubleshooting
Table 17 Troubleshooting
Symptom Possible Cause Solution
The vehicle
computer does
not power on or
shuts off
suddenly.
The power cable ignition
sense wire (yellow) is
not connected properly.
Verify that the power cable is connected properly. See Wiring
Vehicle Power to the VC8300 on page 26.
Power cable not
connected properly or
unplugged.
Connect power cable to power cable portion underside of
vehicle computer. Turn the main power switch on.
If the vehicle computer
is powered by a vehicle
battery, the vehicle
battery is depleted.
Replace or charge the vehicle battery.
Cannot see
characters on
display.
Vehicle computer not
powered on (Power LED
is Off).
Press the Power button on.
Screen is too dark. Adjust the brightness; see Figure 1 on page 19.
The vehicle computer is
in suspend mode
(Power LED is on).
Press the Power button to turn on the vehicle computer.
The
touchscreen is
not working.
Replacement screen
protector was damaged.
Replace screen protector.
Touch screen is
damaged.
See system administrator.