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The short answer: As with most things Duct Tape will fix a broken access control key fob. That is assuming the reader still reads the electronics inside.

Once a fob or access card stops working it is possible that the microchip inside is damaged. A prox card is made up of a coil of wire that works like an antenna, and a microchip. The card holds a code number that a reader can extract.

If that number is programmed to allow access to the door the door will unlock when the card is presented.

The long answer is that if the card number has not been programmed into the system the door will not unlock. The card (or fob) will not work no matter how much duct tape or WD40 you use.

In my Queen Street store in Toronto, we have an access card duplicator. If you are having trouble with your fob bring it into the store. We can check it to see if it is damaged and if you like we can make a duplicate fob or card for you.

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13y ago

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