What are the common faults in supermarket anti-theft devices? [Bohang China]

What are the common faults in supermarket anti-theft devices? [Bohang China]

When the supermarket anti-theft devices are falsely reported, the antenna supply voltage must be checked. When the voltage is unstable, the regulator should be added to restore the antenna to normal. The antenna is surrounded by a storage device, a cash register, a punch card machine, a freezer, etc., so that the antenna cannot form a circle. It is not allowed to have a roll-up drama within 10 meters around the antenna. In particular, the network cable of the POS machine is not allowed to form a circle. If the checkout is not repaired or not used, the network cable should be straightened.

The decoder does not decode. The reason for this problem is that the power supply is not turned on. It may be that the staff inadvertently pulled the plug-in board of the decoder board during use. In this case, the power of the supermarket anti-theft devices is checked, and the label is detected after normal power-on.

Supermarket anti-theft deviceas do not alarm. First check whether the anti-theft alarm antenna is powered. When the power switch is off, it is likely that the antenna will not alarm. Do not use the soft mark to test, because the soft mark may have been decoded or damaged. In this case, the antenna of the supermarket burglar alarm is not alarmed. Check for large electrical appliances and large metal objects, including lockers and freezers, at close range around the antenna. If there is to move it away.