Newland NLS-PT30 Series, Руководство пользователя, Страница: 53 / 54

47
Troubleshooting
Problem
Possible Cause & Solution
Type Description
Keyboard
Keyboard failure or incorrect
response to any key entry.
Unreliable cable connection between keyboard and mainboard or
keyboard malfunction. Please contact Newland after-sales service.
Battery
Battery indicator is OFF
when charging.
Ensure the AC adapter is plugged in and properly connected.
Noticeably short battery life.
1. Check the battery level. If the battery is almost depleted, recharge it.
2. Replace the battery if it is dysfunctional.
Fully charged battery is
depleted after the terminal is
switched on.
Replace the battery.
USB USB communication failure.
1. Ensure that the USB cable connections are secure.
2. Ensure that there is no contaminant inside the Micro USB port.
3. If the problem still remains, please contact the after-sales service center.
LCD
Screen
No display.
1. Ensure the terminal is switched on.
2. If the terminal is in suspend mode, press the Power key to wake it up.
3. Check the battery level. If the battery is almost depleted, recharge it.
4. Ensure that the battery is properly installed.
5. Replace the battery if it is dysfunctional.
6. If the problem still remains, please contact the after-sales service center.
System
Cannot switch on.
1. Check the battery level. If the battery is depleted, recharge it.
2. Switch the terminal on after using the included AC adapter to connect it to
a power outlet. If the problem disappears, then continue to charge the
terminal. If the problem remains after charging the terminal for a while,
replace the battery with a new one.
System halted.
1. The problem may be caused by downloaded apps. Ensure that only
reliable apps are used.
2. The problem may be caused by a sudden or unexpected power loss.
Perform a warm reset on the terminal by pushing the Reset button with a pin.
3. If warm reset does not work, try cold reset to reset the terminal to factory
default settings.