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Top latch stays locked
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RELATED FAQS
Question
Answer
Why is the 2390 top latch not staying retracted when dogged?
Resolution:
Most likely need to length the top rod so latch can engage it's internal latch retention state. See 2390 Instructions for adjusting rod lengths.:
Why would bottom latch on 98/9927 drop when top latch stays retracted?
Resolution:
Check the adjustment and if this does not resolve then you may possibly have a defective center case or bottom latch.:
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 does the ND40 stay locked after egress?
Resolution:
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...:
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...: