Q&A,Nabon electronic | security industry access control ladder control supply unit

Home > Service support > Q&A

Q&A

Q：Face recognition machine forgot the management password, can not go to the menu, how to operate management? Can we not affect authorized cards?

A：Find the button next to the cable on the back cover of the face recognition machine. When the device...
Q：Hello, access control board with a laptop directly connected, software can not search the device is why? How should it be resolved?

A：Hello, thank you for using our access control products, the solution is as follows:The first step is...
Q：C20 and T70 access control machine how to change the door password? Can you provide the operation method?

A：Modify the door opening password operation method: open the device menu, find the parameter Settings...
Q：When the fingerprint machine is used as the reading head, sometimes the door can be opened normally, and sometimes the fingerprint machine is passed, but the door is not open.

A：You switch the entry and exit ports, and then open our device management software - ＂real-time monit...
Q：How do I manage a C20 or T70 access control device if I forget the management password and cannot access the menu? Can we not affect authorized cards?

A：After removing the rear cover of the C20 and T70 using a screwdriver, find the RESET key on the circ...
Q：Why is the card reader light dark and the electric lock is weak?

A：The power supply is insufficient, causing the controller, card reader and electric lock to not work ...
Q：Why does the manual door opening button not respond?

A：The reasons for the failure are as follows: First, check whether the controller is set up anti-steal...
Q：Is the controller squeaking?

A：The causes of the fault are as follows: (1) Remove the 12V power terminal so that the controller has...
Q：Does the card number displayed on the software not match the card number on the card?

A：The data cable on the machine is reversed, and the data cable DO and D1 of the card reader are switc...
Q：The use of the access control controller has been normal, one day suddenly found that all the valid cards can not open the door (become invalid cards)

A：The reasons for the failure are as follows: First, check whether the controller has set advanced fun...
Q：Put the CARD close to the card reader, the card reader buzzer rings, the controller indicator (CPU/CARD/ERP) does not respond, and the communication is normal.

A：The reasons for the failure are as follows: First, check whether the controller is set up anti-steal...
Q：RS485 access controller does not communicate?

A：The causes of the fault are as follows: (1) Check whether the device serial number/COM port is corre...