Troubleshooting of Regular Malfunctions 12-1
12 Troubleshooting of Regular
Malfunctions
12.1 Troubleshooting as the System is
Disabled to Power On
12.1.1 Related Modules or Boards
No. Descriptions Remarks
1 Power supply adapter /
2 Battery assembly /
3 Main board /
12.1.2 Key Points Supporting Troubleshooting
No. Key points supporting troubleshooting Remarks
1 Power-on status indicator
Backlight of the power button
2 AC indicator
Located on control panel
12.1.3 Troubleshooting as the System is Disabled to Power
On
No. Fault Description Cause Analysis Solution
1 System power supply adaptor
AC power indicator remains
off;
The system starts to work, but
it turns out that the battery
supplies the power for the
system.
1 No AC input
2 Error from power supply
adaptor
1 Re-check the
connection of AC
2 Replace the power
supply adaptor