Troubleshooting - Newland NLS-N7L User Manual

Troubleshooting

Problem
Type Description
No display
LCD
screen
Black lines, white spots
Blurry screen
Will not turn on
Battery
Will not charge
Shorter battery life between
charges
No illumination beam
Barcode
Cannot read barcode
scanning
(though there is illumination
beam)
Unresponsive key(s)
Keyboard
Incorrect response to any
key entry
57
Possible Cause & Solution
1. Ensure the terminal is switched on.
2. If the terminal is in sleep mode, press the Power key to wake it up.
3. Check the battery level. If the battery is depleted, recharge it.
4. Ensure that the battery is properly installed.
5. Replace the battery if it is faulty.
6. If the problem remains, contact the after-sales service center to arrange a
repair.
This problem may be due to an external force hitting the screen. Please contact
the after-sales service center to arrange a repair.
This problem may be due to loose connection between LCD screen and
mainboard or a faulty LCD panel. Please contact the after-sales service center
to arrange a repair.
1. Check the battery level. If the battery is dead, recharge it for 15 minutes before
turning it on.
2. Replace the battery if it is faulty.
3. Ensure that the battery is properly installed.
1. Check if AC adapter and/or the USB port on the terminal are damaged.
2. Replace the battery if it is faulty.
1. Replace the battery.
2. If the problem remains, please contact the after-sales service center to
arrange a repair.
1. There may be some system failure. Restart the terminal to fix it.
2. If the problem remains, please contact the after-sales service center to
arrange a repair.
1. Check if the window at the top of the terminal is broken. If yes, contact the
after-sales service center to arrange a repair.
2. There may be some system failure. Restart the terminal to fix it.
3. There may be something wrong with the scanner. Please contact the after-
sales service center to arrange a repair.
This problem may be due to loose connection between key(s) and mainboard.
Please contact the after-sales service center to arrange a repair.
1. Check if this problem is caused by third-party app(s).
2. Restore the terminal to factory default settings.