schlage encode deadbolt will not fully retract

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The L9466 Store/Utility Room lock can provide this functionality. Operation: Latchbolt retracted by knob/lever either side. Deadbolt thrown or retracted by key from either side. When the deadbolt ...
Check to see if any virtual keys have been set up allowing administrative permission level.  If VK holder has auto-lock settings different from originator, last to use lock will re-set to thei...
- AD Series and CO series products require that the Night Latch (NL) screw is installed in the exit device.  Be sure this screw is installed- Exit hardware and strike must be properly mounted ...
Bad dogging hook on the dogging assembly could cause the 33A/35A and 98/99 exit device latch bolt not to retract completely.
After rotating  the key to unlock the lock, you must return the key to its normal position to remove it. 
Incorrect timing of the lock can cause the outside lever to retract the latch when raised up.  See instructions here (Step 16 and 17) to time a T351, T381, T561, and T571.  Also applies to the same...
To verify the timing on a T561, function test the outside lever after locking it.  To lock the key should only rotate 180 degrees (Not 360 degrees as Schlage does) A properly timed lock will n...
Place any new orders per the following table ...
 Mortise Deadbolt Locks  Discontinued  Replace With  CO200MD  70-Classroom/Storeroom  40-Privacy  CO250MD  70-Classroom/Storeroom  40-Privacy  AD200MD  70-Classroom/Storeroo...
* NOTE: the AD300/400 devices simply communicate the change in Deadbolt Position status to the Host software.  The software then decides what action should or should not be taken at the device. 
The Schlage B400 deadbolt was a grade 2 deadbolt and was discontinued April 1, 1996.  Its replacement was the B100 grade 2 deadbolt and no parts were compatible between the two.