After installing the complete set of your FC-8940 high-end access control board, power on after the line is connected, but the card cannot be opened, how can I solve the problem?
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In the first step, after the card issuance is successful, check whether there is an access control access level added to the card and upload it to the control board.
The second step is to check whether the power supply is working properly.
The third step is to check whether the card reader is damaged.
The fourth step is to check whether there is strong magnetic interference around the card reader.
If the above steps are eliminated, the card reader still cannot read the card, the following fault causes can be determined: When the card reader device is used for a period of time, some static electricity will be generated, and the accumulation of static electricity will cause excessive power consumption, the shorter the use time, the problem that the card reader ages too quickly.
Solve the problem: Before installation, choose a special power supply with good quality and gated power, if this happens after use, power the electric lock and the card reader separately, and add a power supply to the card reader separately.
The access control card reader's card reading speed is slow and the sensing distance is getting closer to eliminate the problem:
Step 1: Whether the card reader is installed on metal.
Step 2: Whether to swipe in and out, such as swiping in and out to see the distance between the two card readers, cause of failure: If the card reader is mounted on metal, because the metal has a shielding function, part of the radio waves emitted by the card reader is shielded by the metal. The same problem occurs when the two card readers are installed too close to the card reader, the two card readers emit radio waves at the same time, and the mutual interference of the radio waves will cause slow card reading, if they are too close, they will not read the card.
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