The Main Reason Why The Access Control Card Reader Cannot Read The Card
What is the reason why the access control card reader cannot read the card? If the access control system is used normally when it is first installed, but suddenly the card reader cannot read the card after using it for a period of time, troubleshoot the problem:
The first step is to check whether the power supply is working normally.
The second step is to check whether the card reader is damaged.
The third step is to check whether there is strong magnetic interference around the card reader.
If the above steps are eliminated and the card reader still does not read the card, it can be determined as the following fault reasons:
The card reader device will generate some static electricity after being used for a period of time. The accumulation of static electricity over time will cause excessive power consumption. The shorter the usage time, the faster the aging of the card reader. the
Solve the problem:
Before installation, you should choose a special power supply with good quality and power for access control. If this happens after use, separate the power supply for the electric lock and the card reader, and add another power supply to power the card reader separately.
The card reading speed of the access control card reader is slow. The sensing distance is getting closer.
Troubleshooting:
The first step: whether the card reader is installed on the metal
The second step: whether it is to swipe the card in and out, if the card is swiped in and out, check the distance between the two card readers
Cause of the issue:
If the card reader is installed on a metal, because the metal has a shielding function, part of the radio wave emitted by the card reader is shielded by the metal. If the card is swiped in and out, the same problem will occur if the distance between the two card readers is too close. The two card readers emit radio waves at the same time, and the radio waves interfere with each other, which will cause slow card reading. the
Solve the problem:
When installing, observe the installation environment of the card reader. If the back of the card reader is metal, a plastic plate (special material) should be installed behind the card reader when installing the card reader. If conditions do not permit, install a shielding plate on one of the card readers.
Author: Written by Anna Zhang from S4A INDUSTRIAL CO., LIMITED
Factory Address:Building S4A, South Third Lane, Qiuyuling Street, Zhangkeng Village, Hengli Town, Dongguan City, Guangdong Province Office Address:#601,floor 6 ,building 1,JINFANGHUA industrial zone, Bantian St. Longgang Dist. Shenzhen, PRC.
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