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“ dead latch will not retract ”

Resolution: There are a few things to check in the 912L trim is not retracting the latch as expected. If the 912L was shipped after February 28, 2011, Check the installation ins...:

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...:

Why doesn't full rotation of the AD or CO Series Exit Trim (993) outside lever fully retract the Von Duprin 98/99 Exit Device latch?

Resolution: - AD Series and CO series products require that the Night Latch (NL) screw is installed in the exit device. Be sure this screw is installed- Exit hardware and strike must be properly mounted ...:

What would cause an EL device to pull and release?

Resolution: If your Von Duprin EL (solenoid) device pulls and releases quickly instead of holding the latch retracted, please check all of the items below.In most cases, one or more of these solutions will r...:

What would keep the latch bolt on a 33A device from retracting all the way when dogged?

Resolution: Bad dogging hook on the dogging assembly could cause the 33A/35A and 98/99 exit device latch bolt not to retract completely.:

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...:

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“ dead latch will not retract ”

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