try: response = requests.post(url, json=payload, headers=headers) if response.status_code == 200: print(f"Success: response.json()['message']") else: print(f"Error: response.json()['error']") except requests.exceptions.RequestException as e: print(f"Connection failed: e")

: Hold the RFID card or fob over the card reading sensor.

Clean the keypad with a cloth to remove potential grime causing a short. Step 3: Hard Reboot/Power Cycle Sometimes, the software needs a complete refresh. from the ZKBioLock device. Disconnect the backup battery if one is present. Wait for 3–5 minutes . Reconnect the power. Step 4: Factory Reset (Use as a Last Resort)

For initial setup or if you are prompted for administrative access during registration: : admins Password : 123456 3. Registration Process

For stubborn oil, lightly dampen the cloth with a tiny amount of isopropyl alcohol (not directly on the scanner). Ensure no lint or residue remains. and try to register again. Step 2: Check for Stuck Keys If the device has a physical keypad: Inspect all numbers ( ) and function keys. Gently press each key to ensure none are stuck down.

Send the Machine Code, along with your proof of purchase or hardware serial number, to your authorized ZKTECO distributor or support representative.

public bool ConnectDevice(string ip, int port)

You should contact your reseller or ZKTeco support. Keep the original purchase documentation and software serial number (SN) for verification.

Designed for efficiency and security, the system provides several management tools:

Ensure the key matches the exact version specified in . Database Failed to Initialize Missing permissions or administrative blocks on Windows. Right-click Biolock.exe and select Run as Administrator . Encoder Disconnected Driver failure or faulty USB connection.

Allow the system a few minutes to automatically initialize the Microsoft Access database environment. Step 2: Accessing the Registration Interface Launch the ZKBiolock software.

Over time, the biometric sensor itself may fail or become uncalibrated, sending false readings to the mainboard. 4. Firmware or Software Glitch

Once an admin is set, you need authorization to add more keys. Wake up the lock screen. Press the * and # keys simultaneously to enter the menu.