Sargent & Greenleaf 6120-305 Electric Safe Lock Instruction Manual

1. Introduction

The Sargent & Greenleaf (S&G) Model 6120 is a motorized electronic safe lock designed to provide enhanced security and convenience for personal safes or small commercial facilities. This deadbolt lock package includes a satin chrome keypad and operates with a 2-battery system. Its key features include a shorter time delay and one-step operation, making it an efficient and secure choice.

Key features of the S&G 6120 Electric Safe Lock:

• Management reset code capability.
• Supports one master code and up to eight user codes.
• Configurable time delay up to 99 minutes.
• Field programmable directly via the keypad.
• Incorporates a penalty time feature that prevents opening until a valid code is entered and locks the keypad after three incorrect code entry attempts.

2. Setup and Installation

Proper installation is crucial for the optimal performance and security of your S&G 6120 lock. This section provides important considerations and steps for installation.

2.1 Mounting Considerations

• The S&G 6120 series locks are designed to utilize the same mounting screw locations and occupy the same space as standard S&G 6730 mechanical locks, simplifying retrofit installations.
• The keypad has a diameter of 4 inches (101.6 mm), which is slightly greater than standard S&G dial rings for mechanical locks. The 6120 series keypad will cover any scratches or paint blemishes left by the old lock.
• Any modifications to the lock, including lock bolt attachments, are not recommended and will void the manufacturer's warranty.
• Ensure a minimum distance of .150 inches (3.8 mm) between the end of the lock case containing the bolt and the safe's blocking bar or cam plate. This is important because the lock bolt may not retract fully if this distance is not maintained, especially with older batteries.
• Before final installation, install fresh alkaline batteries and connect the keypad cable to check the lock's functions. Follow the procedures outlined in the Operating Instructions section to test.
• Do not allow the safe's blocking bar or cam plate to depress the lock's bolt further than it retracts during normal operation. This can lead to inconsistent lock operation.

3. Operating Instructions

This section details how to operate your S&G 6120 Electric Safe Lock, including opening the lock and understanding code entry.

3.1 Initial Setup and Factory Code

The Sargent & Greenleaf Model 6120 Electronic Combination lock comes from the factory with a default master code of 1 2 3 4 5 6. It is recommended to change this code immediately upon installation for security purposes. You can use the lock and set or change all of its codes via the keypad.

3.2 Opening the Lock

To open the lock, simply press the digits of your valid code followed by the # key. The lock bolt will retract for six seconds, allowing you to open the safe handle and the door. Do not apply any pressure on the safe handle until after the door has been entered. The Model 6120 will lock automatically when the safe door is closed and the handle is turned to the locked position.

3.3 Code Entry and Error Handling

• Each time a button is pressed and the lock accepts the input, it emits a "chirp," and the LED on the keypad lights momentarily.
• All codes must contain six digits or six letters. Any digit or letter can be used as many times as you wish for a code.
• If you press an incorrect number when entering a code, press the * key to clear the entry and begin the code entry sequence from the first step.
• If you realize you have pressed an incorrect number when entering a code, press or simply pause ten seconds or more, then begin entering your code again.
• If four incorrect codes are entered in a row, the lock will shut down for a period of up to fifteen minutes. This is a security feature known as the penalty time. During this period, the lock will emit a "chirp" every ten seconds. Do not touch the keypad buttons for the duration of the penalty time. After the fifteen minutes, you can enter a valid code to open the lock.
• The Model 6120 does not have audit trail capabilities.
• For UL installations, the maximum number of user codes is one.

This lock has been listed by Underwriters Laboratories for use with the following S&G keypads: 61X0-0XX, 6120-2XX, 6120-4XX, 6160-2XX (8 series), 61KP-1XX, 6130-5XX.

4. Maintenance

Regular maintenance ensures the longevity and reliable operation of your S&G 6120 Electric Safe Lock. The primary maintenance task involves battery management.

4.1 Battery Replacement

The S&G 6120 lock requires two 9V alkaline batteries for operation. While batteries are included with the product, they will need to be replaced periodically. It is recommended to use fresh alkaline batteries to ensure consistent performance.

• If the lock makes no sound when any of the keys are pressed, or if the lock "chirps" when keys are pressed but it will not open the safe, the batteries may be drained.
• To replace the batteries, remove the keypad from the safe door. The battery compartment is typically located on the back of the keypad or within the lock mechanism.
• Replace both 9V batteries with new, fresh alkaline batteries.
• Ensure the battery cable is securely connected to the battery and the circuit board. A loose connection can prevent the lock from functioning correctly.

5. Troubleshooting

If you encounter issues with your S&G 6120 Electric Safe Lock, refer to the following troubleshooting steps before seeking professional assistance.

5.1 Common Issues and Solutions

• Lock Fails to Open After Valid Code Entry:
  • Bolt Pressure: Check if the safe's bolt is pressing against the door. Sometimes, something caught between the safe door and its frame can cause pressure on the lock bolt. If this occurs, the lock will not operate properly. To relieve side pressure on the lock bolt, move the safe's handle to the fully locked position, then re-enter a working code.
  • Drained Batteries: If the lock makes no sound when keys are pressed, or if it chirps but won't open, the batteries may be drained. Replace both 9V batteries with new alkaline ones.
  • Cable Connection: Ensure the keypad cable is securely connected to the battery and the circuit board. A loose connection can prevent the lock from functioning.
• Keypad Locks After Incorrect Entries (Penalty Time):
  • The lock features a penalty time feature. If three incorrect code entry attempts are made, the lock will temporarily disable the keypad for a set period (up to 15 minutes). Wait for the penalty time to expire before attempting to enter a valid code again. Do not press any keys during this period.

If all the above remedies have been exhausted and the lock still does not open, contact a qualified safe technician in your area for professional service.

6. Specifications

7. Support

For further assistance, technical support, or inquiries regarding your Sargent & Greenleaf 6120 Electric Safe Lock, please contact the manufacturer directly.