Faults that may be encountered with the use of a barcode scanner
1. After the code scanner is successfully connected, the LED flashes continuously, and there is no sound, so it cannot be scanned.
Possible causes: It is usually caused by poor IC contact.
Solution: In this case, please contact the dealer or manufacturer for repair, and do not disassemble the device without permission.
Second, the LED light does not light up when using the code scanner, and there has been no response.
Possible causes: The power socket of the device may be faulty, not energized or the plug is unstable, resulting in poor contact.
Solution: Check whether the power supply is turned on, if it has been connected, you need to check whether the interface is loose, reconnect the data cable and the scanner to ensure normal power-on use.
3. The light of the code scanner is always on and not extinguished.
Possible cause: The always-on light state was accidentally set during use.
Solution: Scan the setting code to restore the factory settings and turn off the always-on state.
Fourth, after reading the barcode, the code scanner crashes.
Possible cause: The barcode scanner itself has a protection function, so if the read barcode data transmission error will automatically enter the protection state, so as to prevent data loss.
Solution: Please check the connection and protocol carefully to confirm that there are no errors. Turn the scanner off and on again to use it normally.
5. The scanner is in normal use, but the buzzer does not respond
Possible cause: Silence is set during use.
Solution: Set the buzzer to "on" according to the manual.
6. The computer shows that the USB device cannot be recognized after scanning a barcode or when the scanner scans a barcode or when using a USB cable
Possible cause: The data cannot be transmitted due to the communication cable, or the USB device is damaged.
Solution: Find a dealer or buy the corresponding communication cable.
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3. The interface of the barcode scanner or computer is loose.
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