: Check for interference from other RFID devices or ensure the card type is compatible (typically 125KHz). Keypad Unresponsive
Enter your valid Master Code or swipe an administrative Master Card. To change alarm lock-out time: Enter Programming Mode →right arrow Press 6 →right arrow Choose 0 to 3 minutes + # . Resetting to Factory Defaults v2000-c user manual
If you cannot locate the official document, start at the manufacturer’s support portal. Avoid random YouTube “unboxing” videos—they often skip critical safety warnings found only in the official . : Check for interference from other RFID devices
The manual explicitly states: “Do not use the ‘Reset’ button during firmware update. Doing so permanently damages the bootloader.” v2000-c user manual