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KEY SYSTEM LOCK
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Question
Answer
What does the hotel indicator look like for the A, AL, D, and ND?
Resolution:
The indicator on a cylindrical hotel lock is a small pin that projects outward from the face of the cylinder plug (Figure 1) when the inside push button is depressed. When this pin is ...:
Why does my 7500 retract the latch bolt but not re-lock the trim?
Resolution:
Tips for changing the function: The NL Drive screw will not be visible when lock body is set to Classroom function There is locktite on the screw that makes it seem like its turned down enou...:
How do I change the function of the Von Duprin 7500 mortise lock from Lever ( classroom ) to NL ( night latch )?
Resolution:
To convert the Von Duprin 9975L to 9975NL exit function follow these steps (Note: the mortise lock is shipped as Night Latch from the factory): Turn the NL screw on 7500 mortise lock counter clo...:
When was e.Primus discontinued?
Resolution:
e.Primus was an electronic lock system that used iButton credentials to unlock a door. Product was discontinued in July of 2002 with parts were available only for a short time. Product support fo...:
Why does the Schlage button light up “Green” when I open the door?
Resolution:
When unlocking the CO200 door by mechanical key override, the green led will be continuously ON until the key is released. This will occur after firmware CO.A.6 (or later) has been installed int...:
What does the cylinder suffix BDC mean?
Resolution:
A small format disposable core is used as a SFIC construction core that is for low security applications and can be thrown in the waste bin after use.:
When did Everest 29 keyways become the default?
Resolution:
Schlage changed to the Everest 29 default keyway on March 4th, 2013. At that time, Everest 29 S123 became the default keyway for all Schlage locks. Everest product is still available but must be sp...: