Step 1: Change the battery or charge with the USB cable and try to start up;
Step2: If it still fails to charge to start up after changing the battery, it is possible that the battery is over discharged. Please keep the charging connection with USB cable, then take out the battery and instsall again, activating the battery by repeating 3-4 times. Try to start up after charging for 30 minutes.
If it fails to scan suddenly in use, the same setting of the scanning head and the barcode to be scanned may possibly result in it. If you change the setting of the scanning head unintentionally, you are supposed to scan other types of barcodes and send the result feedback to Cilico.
Metal and liquid (water) material have a strong interference to the UHF signals ( the closer to the tag antenna, the stronger interference of the signal); It is able to adopt anti-metal tag in the metal environment, however, it still remains hard to solve problems in liquid environment.