Hello, I have bought 10 set of FC-1882M offline access controllers in your company. In the process of importing setting cards, there is a device to make a tick, please tell me why, what problem caused it?
Hello! Thank you for using our products! 1, software and hardware is corresponding or not 2, write the setting card successfully or not. 3.test the voltage is normal or not. our product's voltage is 12V. if the voltage is too large, the device can't work normally. If still have questions, please contact our technician.
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