If you forget your Master Password, you will need to perform a hardware reset:
: Touch the keypad with your palm to activate it, enter your password, and touch the keypad with your palm again (or press [*]).
Ensure you are following the exact steps quickly. The programming session times out if there is more than 10 seconds of inactivity between button presses.
Many manuals are lumped together. Check your box: gateman v20 manual
Note: All programming steps must be performed while the door is wide open to prevent accidental lockouts. Changing the Master PIN Code
To program your Gateman V20, you must access the located inside the battery compartment on the indoor unit. Pop off the plastic battery cover to begin. How to Change the Master PIN Code Open the battery cover on the indoor unit. Press the [R] button once (you will hear a beep). Walk to the outdoor keypad (keep the door open!). Enter your new 4 to 12 digit PIN code . Press the [*] (star) key to finish. Test the new code before closing the door. How to Register RFID Key Tags
Note: All programming steps must be performed while the door is open to avoid accidentally locking yourself out. 1. How to Register/Change the Master PIN Code If you forget your Master Password, you will
The Gateman V20 (often grouped with the V10) is a digital rim lock commonly used in South Korea and Southeast Asia. 📄 Digital Manual Downloads
You can find full versions of the Gateman V20 manual through these resources: Gateman V10-V20 French User Manual
Rim lock (installed on the inside face of the door). Access Methods: PIN Code and RFID Smart Key (Card/Fob). PIN Code Capacity: 1 Master Code (4 to 12 digits). Credential Capacity: Up to 20 RFID Cards/Fobs. Power Supply: 6V DC (4 x AA Alkaline 1.5V batteries). Emergency Power: 9V Alkaline battery (External contacts). Material: Zinc die-cast and fire-retardant ABS plastic. Door Thickness: Suitable for doors 35mm to 55mm thick. 2. Package Contents & Component Overview Many manuals are lumped together
Drill a 35mm hole through the door where you marked the template. Ensure the drill is perfectly horizontal to prevent alignment issues. Step 3: Install the Front Body
Small pinhole typically located near the emergency terminals or behind the battery cover. Internal Body (Main Unit)
Contact your registered RFID card directly to the card icon reader zone. Unlocking from the Inside
: Users can register a security code ranging from 4 to 12 digits. RFID Card/Key Tags : The lock typically supports up to 20 or more RFID tags. Palm Touch Feature