3. MAINTENANCE
3-2
3.4
Troubleshooting
This section provides simple troubleshooting procedures which the user can follow to
restore normal operation. If you cannot restore normal operation, do not attempt to
check inside the unit. Any trouble should be referred to a qualified service technician.
Problem
Possible cause
Remedy
You cannot turn the
power on.
The power cable is dis-
connected or damaged.
• Check that the power cable is
connected correctly.
• Check for damaged power ca-
ble.
Low power voltage
Check battery for proper voltage
output.
The [Recovery] screen
appears.
The main PC is forceful-
ly terminated while the
system is working.
Click the [Restart my PC] button.
The main PC is forceful-
ly terminated during the
shutdown process.
1) Press the power button on the
main PC to turn the system off.
2) After the main PC is turned off,
press the power button again to
turn the system on.
The [Automatic Repair]
screen appears.
The main PC is forceful-
ly terminated during the
startup process.
Click the [Restart] button.
The power LED on the
main PC lights but noth-
ing appears on the mon-
itor.
Display brilliance is too
low.
Adjust the display brilliance, refer-
ring to the operator’s manual of the
monitor unit. Restart the main PC.
The video source of the
monitor is not correct.
The video source of the monitor
should be the video input port that
is connected with the main PC.
SSD cannot be recog-
nized.
1) Press the reset button on the
main PC to reset the system.
The [EFI shell] screen appears
after system reset.
2) Press the power button on the
main PC to turn the system off.
3) After the main PC is turned off,
press the power button again to
turn the system on.
The [EFI shell] screen
appears.
SSD is not recognized.
1) Press the power button on the
main PC to turn the system off.
2) After the main PC is turned off,
press the power button again to
turn the system on.
AR navigation objects
appear but video image
is not shown.
Video image brilliance is
too low.
Adjust the video image brilliance,
referring to section 1.10.
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