Zk-5kx Manual -

If your Zk-5kx cannot communicate with your PC, it is essentially a standalone doorbell. This chapter of the Zk-5kx Manual is the most referenced by IT professionals.

0 NewMasterCode # NewMasterCode #
Example: 0 888888 # 888888 # → Beeps confirm. Zk-5kx Manual

Keep master code safe. If lost, you must reset the device to factory defaults (see section 8). If your Zk-5kx cannot communicate with your PC,

Once powered on, the device prompts you to set an administrator password. The manual strictly advises against skipping this step, as it leaves your attendance data vulnerable. Keep master code safe