Check if the device IP is on the same subnet as the PC and ensure Port 4370 is open.

Ideal for businesses with multiple branches, this web-based software works as a private cloud. It handles thousands of employees and transactions, offering employee self-service through mobile apps and web browsers. ZKTime.Net 3.0 : The Reliable Desktop Workhorse

If you have acquired a ZKTeco device with a model number ending in 48