Some models ( our Internal Control - K series) operate with a SINGLE KEY mortise
cylinder and an Adams Rite Maximum Security style deadbolt lock with a bolt that
swings up to lock the door.
There is very rare occasion when some part of the contents inside the safe stops
the lock from opening by getting in the way.
This condition is usually indicated when the key which normally turns around a
full turn to unlock the door, only turns partially and then seems to stop turning
at about halfway around.
This might be caused by something stopping the bolt from unlocking completely.
It might be the corner of an envelope or deposit bag as an example.
If there is a drop slot in the top of the safe, using something like a bent stiff
coat hanger which can reach in through the opening, try to move the obstacle out
of the way.
Wiggling the door might loosen whatever might be jamming to help resolve this
type of problem.
Keeping the contents organized and away from the lock bolt area on these safes
will help avoid this problem.
We suggest a basket be used to catch deposit envelopes.
WARNING: turning the key with pliers or excessive force is likely just going to break
the key or the lock.
If you do get the door open, clear the bolt area and try the lock several times
with the door open. Look for evidence of damage and check the lock is operating fine
with the door open. Lubrication could help if the lock seems stiff.
If there still seems to be difficulty, contact a skilled technician to help further
troubleshoot or repair the problem.
Some of our safe models feature a Miwa or Sargent & Greenleaf safe deposit type
lock which normally uses 2 KEYS. Such as our key operated Under Counter series models
and the inner locker doors on some of the larger front loading mailbox depository
These normally require both keys to open the door. The keys should be in good
condition to precisely align the tumblers in these locks.
If you are having trouble, first check the keys for noticeable burrs or damage.
Try the spare set if available.
When either key is turning more than a half turn in the lock and the door is not
opening, you will likely need a skilled technician to open the safe and replace the
The key that is further from the locking edge of the door ( Guard Key ) must be
inserted first and turned before the other ( Renter's ) key and turning it.
Pushing in on the door while turning the ( Renter's ) key might help if the lock
bolt is not retracting because there is pressure on it which might be suspected especially
if the door does not seem to move a little bit.
In more extreme cases using a rubber mallet to tap on the face of the door at
the same time as trying to turn the ( Renter's ) key could help, light tapping is
all that is going to be necessary when this method is effective.
The lock might have been damaged from attempting to close the door while the
bolt was extended. It is likely the door would have been difficult to close and lock
the last time it was accessed. There is the possibility that something in the safe
could be in the way and stopping the door from closing completely.
If you do get the safe open, try operating the lock several times while the door
is open. If the lock is still difficult, do not close and lock the door again, it
is best to call on a technician to repair or replace the malfunctioning lock.
WARNING: turning the key with excessive force or pliers is likely just going to break
the key or the lock.
Any other problem will likely require a skilled technician to resolve.