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“
Key does not lock
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RELATED FAQS
Question
Answer
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...:
Why would the 996L trim not lock or unlock when installed with 98 or 99EO?
Resolution:
The 98/99 rim and vertical rod exit devices are shipped with NL drive screw to function as a Night Latch. To convert the device to Class Room, remove the NL Drive Screw on 98/99 center case ass...:
Why does my key cylinder spin and not lock or unlock the ND?
Resolution:
This could also happen if the tailpiece isn't installed in a KIL, FSIC, or SFIC cylinder. The FSIC driver also could have come loose from the core in the spindle. :
Why is the key locking and/or unlocking my E996L for a 9875?
Resolution:
The 7500 mortise lock should be configured for NL function as shipped not as Classroom. See figure 4-3 in E996L instructions.:
Does Schlage make a mortise lock that the lever on either side retracts the latch and a key on either side retracts the deadbolt?
Resolution:
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 ...: