The inside and outside assemblies of a CO lock are a matched/mated set and cannot be swapped to change rea...

The Von Duprin 7500 mortise lock body ships in the NL mode.

Either the function of 7500 lock body has not been changed to the Classroom function or the NL Drive screw is not all the way down. The Schlage full size interchangeable core (FSIC) prepped B560F, B561F, and B563F deadbolts all require a UL fire cup (R) in order to be UL listed.

The American Recovery and Reinvestment Act of 2009 (ARRA) is an economic stimulus bill created to help the Un...

If the error "Device does not support this action - E802" appears when trying to couple the lock, it is generally because the user is not pressing the SW1 tamper button 3 times, but instead pressin...

After updating the SUS coupling password, subsequent HHD’s will need the new coupling password entered before they can update any information in the lock, once the HHD has the correct coupling pass...

The process to change the Credential Reader on an AD-Series lock is as follows: Note: To ensure firmware compatibility of the lock and reader, it is important that the firmware in the LOCK and the...

On power-up the CO-Series locksets will provide 5 quick RED Schlage Button flashes and 5 quick beeps to indicate that the electronics (credential reader) has been changed. When/If the electronics (Credential Reader) changed on a CO-Series lockset, the lock will respond with 3 RED Schlage button flashes and 3 beeps for any key press or credential presentation.

How do you fix the Subversion/Subclipse error "Attempted to lock an already-locked dir"?

Improper mechanical adjustment or QEL calibration could cause the QEL cycle three times with solid LED and not work.

First check mechanical adjustment on vertical rods or mortise lock device and co...

In 2002 the Schlage AL-Series underwent a design change that affected the spring cage, driver, and plastic insert.