The Sargent and Greenleaf 6120 is an electronic combination lock that is used on safes. The lock can be opened by the master code and up to eight other user codes. Entering the number into the combination followed by the "#" button will retract the lock for six seconds which allows the user to open the safe handle. The combination lock is powered by one or two 9-volt batteries. When the batteries need replacing, the lock will beep twenty times after a code has been entered. The batteries will need to be replaced before the lock can be disengaged.
Things You'll Need
- 9-volt batteries
S&G 6120 Two Battery Keypad
Pull the keypad from its base. Push up from the bottom of the keypad until it clicks off. Support the keypad during battery changes. Do not let it hang on the wires connected to the keypad as this may dislodge the wires.
Turn the keypad over. Pull the bottom of the batteries gently until they come out of their battery holders. Make note of which way the batteries were facing. Insert the new batteries into the connectors on the keypad circuit board. Make sure that the batteries are inserted the right way around.
Turn the keypad over and hold it over the base. Coil the wires into the base, making sure that they will not be caught between the keypad and the base when you reinsert the keypad into the base. Align the spring clips with the rectangles on the base and press the keypad into the base until you hear a click.
S&G 6120 One Battery Keypad
Locate the battery portal at the front of the base, beneath the keypad. Pull the battery cover forward and down to release it.
Remove the old battery and the battery holder from the keypad base. Take note of the old battery's orientation. The new battery must be replaced in the same way. Remove the old battery from the battery holder and place the new battery into the holder, facing the same way.
Return the battery holder to the base under the keypad and click it into place. Check your lock to ensure that the battery is in good working order.
Tips & Warnings
- If the lock doesn't work immediately, wait five minutes and then try your combination again.
- Photo Credit Jupiterimages/Polka Dot/Getty Images
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