Troubleshooting - Furuno ENVISION AR-100M Operator's Manual

3. MAINTENANCE
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
You cannot turn the
power on.
The [Recovery] screen
appears.
The [Automatic Repair]
screen appears.
The power LED on the
main PC lights but noth-
ing appears on the mon-
itor.
The [EFI shell] screen
appears.
AR navigation objects
appear but video image
is not shown.
3-2
Possible cause
The power cable is dis-
connected or damaged.
Low power voltage
The main PC is forceful-
ly terminated while the
system is working.
The main PC is forceful-
ly terminated during the
shutdown process.
The main PC is forceful-
ly terminated during the
startup process.
Display brilliance is too
low.
The video source of the
monitor is not correct.
SSD cannot be recog-
nized.
SSD is not recognized.
Video image brilliance is
too low.
Remedy
• Check that the power cable is
connected correctly.
• Check for damaged power ca-
ble.
Check battery for proper voltage
output.
Click the [Restart my PC] button.
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.
Click the [Restart] button.
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
should be the video input port that
is connected with the main PC.
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.
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.
Adjust the video image brilliance,
referring to section 1.10.