FC-103 Swipe card still locked
2017-12-29 11:47
Details of the problem:

After installing your FC-103M access controller. It can not open the door when swiping the card.But the test is normal after taking apart it, what is the matter?

Expert answer:

Hello! Thank you for using our products!  Please check your wiring according to the product specification. If there is a leak or wrong phenomenon.  If the conditions allow, can use the multimeter to test wiring whether each port is all right.

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