Lever sticks on xp device

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First,  make sure the device is being tested while it is mounted to the door with trim installed.   (Testing the device on the bench may show behaviors that will not occur once the d...
If manually it opens and closes fine, check to make sure one of the actuators is not getting stuck in the on position. Verify that the "Operating Indicator" LED's -- "POWER and SAFETY CLEAR" LED's ...
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. 
As of February 2016, ND locks began shipping with a new latchbolt. The new latchbolt offers substantially improved performance in adverse door conditions (ex, with heavy door loading) andis more ro...
Prior to February 2016, using ND-Series locks on hollow metal doors required the use of latch spacers which prevent the latch from "fishtailing" (back end of latch moving from side to side). Latch ...
This application is not recommended as elelctric strikes have never been tested with XP98/99 exit device because it would defeat the XP device holding force purpose.   The holding force f...
This is not a recommended application as the electric strike does not have the same holding force as the XP98/99 rim exit device. The electric strike has 1500 pounds of holding force whereas the XP...