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© Copyright 2011, Sargent & Greenleaf, Inc.
What are the service or maintenance requirements
for the 6120 and 6123?
Due to the design, substantiated by S&G testing, no service
is needed, even in harsh environments. S&G laboratory
testing consistently exceeded 500,000 opening cycles without
problems. Changing the batteries is the only service required.
How should the lock be mounted?
Either lock can be mounted in any position, including the
standard positions of right-hand, left-hand, vertical-up, and
vertical-down.
Is the 6120/6123 a unique S&G design?
Yes—the electronics, motor, and all other component parts
are unique S&G designs. S&G has a license arrangement
with another company to assure there are no infringements on
existing patents.
How long does the bolt stay retracted after code entry?
The bolt retracts for 6 seconds, allowing sufficient time to
turn the safe’s handle.
How far does the lock bolt retract?
Under normal operation, the bolt retracts at least .375”,
leaving no more than .109” extended (our installation
requirements are .150”, case to boltwork). These are
the same dimensions as the standard bolt of the 6730
mechanical combination lock. Lock bolt retraction is
dependent on battery condition.
If user codes and time delay are entered through a Master
Code, what happens to the user codes and time delay if the
Master Code is changed?
Nothing, because a Master Code is only a means to implement
the change procedure for user codes or time delays. For the
6123, it can also set the mode of lock operation, time delay
window duration, and set the time delay override code.
How do I change the Master Code?
Press 74
*
. Press the six digits of your code, followed by #.
Wait for the lock to beep 5 times. Press 1
*
. Press the six
digits of your new code, followed by #. Wait for the lock to
beep 3 times. Again press the six digits of your new code,
followed by #. The lock will again beep 3 times.
How do I know that the code changed?
If your lock emits a continuous tone for about one second
anytime during the code changing procedure, you have made
an error. When this happens, the lock ignores your new
code and reverts to the old one. For more detailed changing
instructions, see the complete version of the operating
instructions found earlier in this manual.
What if the master code and user codes are forgotten?
S&G recommends ordering locks with the management reset
code (MRC) option. This allows the lock to be reset to the
factory master code setting (1,2,3,4,5,6 #).
What happens if someone takes my keypad. Can they
determine my code(s):
The keypad is a “dumb” input terminal. Your codes and
security information are stored in the lock body, inside the
safe. No one can steal your codes by taking the keypad. To
operate your lock, simply plug in a new keypad.
If my keypad is taken and the lock cable cut, how can
I get in my safe?
A qualified safe technician can temporarily attach a new
keypad and cable section and use your code to open the safe.
Once the safe is open, the lock body (and attached cable)
should be replaced.
Commonly Asked Questions & Answers
Models 6120 and 6123—Motorized Electronic Combination Locks
(4 pages)
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