my entry set will not stay locked upon egress

RELATED FAQS

Question
Answer
There is potential for ND40/ND44's manufactured around March 2011 to remain locked after egress, or after the latch is depressed.  There was an issue with the keycam that created a bind when l...
The Von Duprin 6000 series electric strike has a 12 or 24VDC solenoid with plunger, spring and impact washer as shown 6000 solenoid Make sure the solenoid spring and impact washer are not missin...
Check the timing first, Where can I find timing instructions for the Falcon T lock? The keyspindle assembly for the T/RU571 and the T/RU561 was re...
Replace the lock chassis as necessary for any T locks exhibiting this issue.  RU locks need to be replaced entirely. 
Delayed egress hardware prevents a door from being opened from the egress side, usually for a period of 15 seconds. This type of device is often used to prevent theft, while maintaining life safety...
Apartment Corridor Lock function is defined as a lock where the latch bolt operated by lever from either side, except when outside lever is made inoperative by a stop or mechanical means other than...