S&G Electronic Locks
Sargent & Greenleaf electronic safe lock lineup with combination change instructions.
S&G Electronic Lock Lineup
Sargent & Greenleaf offers a range of electronic safe locks for commercial, government, and high-security applications.
Titan Series Flagship
IP55 rated • Metal keypad • 1M+ combinations
👥
9 Users1 Master + 8 Users
🔢
6-8 DigitsFlexible length
⏰
Time Delay1-99 minutes
🔒
UL Type 1High security
Titan Models
- Titan PivotBolt - Most common, swing bolt mechanism
- Titan Direct Drive - Manual dial rotation to unlock
💡 Default Master Code
1 2 3 4 5 6 (6 digits)
Model 6120 / 6123 / 6124 / 6125 Standard
Keypad locks • Proven reliability
6123
Standard Keypad
Most common S&G electronic lock.
- 2 users (Master + User)
- 6-digit combinations
- Time delay 1-99 min
- Wrong-try penalty
Best: Commercial safes
6124
Backlit Keypad
Same as 6123 with backlit keys.
- Illuminated buttons
- Low-light operation
- Same features as 6123
Best: Dark locations
6125
Compact Keypad
Smaller footprint for tight spaces.
- Reduced size
- Same reliability
- Standard features
Best: Small safes
6120
Legacy Model
Older generation, still widely used.
- 1 user code
- Proven design
- Parts available
Best: Existing installs
Audit Lock 2.0 / Z-Series Audit Trail
Multi-user • Event logging • Network capable
👥
Up to 99 UsersFull user management
📋
Audit Trail1000+ events
📅
Time WindowsScheduled access
🔌
NetworkOptional connection
Best for: Banks, ATMs, cash vaults, compliance requirements
Model Comparison
| Feature | 6123 | Titan | Audit 2.0 |
|---|---|---|---|
| Users | 2 | 9 | 99 |
| Audit Trail | ✗ | ✗ | ✓ |
| Time Delay | ✓ | ✓ | ✓ |
| Dual User | ✗ | ✓ | ✓ |
| IP Rating | - | IP55 | - |
| Best For | Basic | Premium | Enterprise |
Changing Combinations
⚠️ Important
- Test new codes with door OPEN
- Write down new codes and store securely
- Change default codes immediately after installation
- 4-5 wrong entries triggers lockout penalty
6123 / Titan - Change Master Code
Standard S&G procedure
Default Codes
Master
1 2 3 4 5 6
Factory default
User
Not Set
Add via Master
Supervisor
Model specific
If equipped
Change Master Combination
- With safe door open, enter current Master code
- Within 4 seconds, press
* - Enter
0(zero for Master change) - Enter current Master code
- Enter new 6-digit code
- Re-enter new code to confirm
- Lock confirms with double beep
- Test new code with door open
Summary:
[Old Code] + * + 0 + [Old Code] + [New Code] + [New Code]
Add/Change User Code
- Enter Master code
- Within 4 seconds, press
* - Enter
1(one for User) - Enter Master code again
- Enter new User code (6 digits)
- Re-enter new User code
- Lock confirms with double beep
Summary:
[Master] + * + 1 + [Master] + [New User] + [New User]
Model 6120 - Change Code
Legacy model procedure
Default Code
Factory Code
50 25 50
3 x 2-digit numbers
Change Combination (Method 1)
- Open the safe door
- Enter current combo (don't turn handle)
- Hold
*for 3 seconds until beep - Enter current combo again
- Enter new combo (6 digits)
- Re-enter new combo
- Wait for confirmation beep
- Test with door open!
💡 6120 Code Format
Can be entered as 6 individual digits or 3 two-digit numbers (e.g., 50 25 50 or 5 0 2 5 5 0)
Delete User Code
Remove user access
- Enter Master code
- Within 4 seconds, press
* - Enter
1(User position) - Enter Master code
- Press
* * * * * *(6 asterisks) - Press
* * * * * *again - User code is now deleted
Set Time Delay
Robbery deterrent feature
- Enter Master code
- Press
* 3 - Enter Master code
- Enter delay time in 2 digits (01-99 min)
- Enter opening window in 2 digits (01-19 min)
💡 Example
05 delay + 05 window = 5 minute wait, then 5 minutes to open
LED & Audio Signals
🟢
Green + beepValid code accepted
🔴
Red + beepInvalid code
🔴🔴🔴
3 red flashesWrong code entered
🔴⏱️
Red continuousLockout penalty
🟢🟢
Double beepCommand accepted
🔋
Rapid beepsLow battery
Troubleshooting
- No response: Replace 9V battery (use alkaline)
- Wrong code: Wait 30 seconds, 4-5 wrong = 5-15 min lockout
- Forgot code: Call Key-En-Lock for safe opening service
- Code change failed: Start over, ensure door is open
- Lockout: Wait for penalty period to expire