includes a break-in alarm and a high-temperature heat sensor (approx. 75°C) that automatically unlocks the door in a fire emergency. How To Change PIN Code on Gateman Digital Door Locks
When you first power up the V20 (after inserting batteries), the system will force you to create a . This is the most important code.
: To prevent others from seeing your code, you can enter random numbers before or after your actual PIN. gateman+v20+manual
The V20 usually takes 4-8 AA batteries. The manual specifies:
Switch to for automatic locking (locks 2 seconds after closing) or M for manual locking. 3. Safety & Security Features includes a break-in alarm and a high-temperature heat
If the lock is tampered with, an alarm will sound. Enter your PIN or scan your card to stop it.
| Step | Action | |------|--------| | 1 | Press (inside cover) or enter # MasterPIN # on keypad | | 2 | Press 1 (Add user) → # | | 3 | Press 1 for fingerprint → # | | 4 | Choose user slot (01–20) → # | | 5 | Place finger on sensor 4 times (lift between scans) | | 6 | Hear success beep → fingerprint saved | This is the most important code
: If the batteries die, the lock has a terminal for an external 9V battery to provide temporary power for entry. Visual Guides