Faq; Question: After Power On, Power Indicator Doesn't Turn On Or The Buzzer Doesn't Respond; Question: After The Reader Is Connected With The Device, Card Swiping Light Doesn't Turn On, And It Doesn't Respond After Swiping A Card; Question: Client Software Fails To Detect The Device - Dahua DHI-ASC1204B User Manual

For problems not included hereinafter, please contact local customer service personnel or
consult headquarter customer service personnel. We will be always at your service.
1. Question: After power on, power indicator doesn't turn on or the buzzer doesn't
respond.
Answer: Please check whether power plug is inserted in place. Please pull it out and insert it
again.
2. Question: After the reader is connected with the device, card swiping light doesn't
turn on, and it doesn't respond after swiping a card.
Answer: Please check whether reader connector is inserted in place. Please pull it out and
insert it again; check whether reader contact light turns on.

3. Question: Client software fails to detect the device.

Answer: Please check whether TCP/IP connector is connected properly, and whether device IP
is in the same network segment.

4. Question: After swiping card, it prompts that card is invalid.

Answer: Please check whether this card number has been added in the controller.

5. Question: Default IP of access controller.

Answer: Default IP address is 192.168.0.2.

6. Question: Default port, initial user name and password of access controller.

Answer: Default port is 37777, initial user name is admin and password is 123456.

7. Question: Online upgrade of the device.

Answer: Connect the device and platform through network, and upgrade it at the platform.
8. Question: Max. wiring distance and transmission distance of card reader and
controller.
Answer: It depends on network cable type and whether it needs power supply of control relay.
Connected with CAT5E network cable, typical value is:
 RS485, 100m.
 Wiegand, 100m.
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FAQ

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