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vertical latch not retracting
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RELATED FAQS
Question
Answer
What would keep the vertical rod exit devices top latch from being held retracted in the open position?
Resolution:
Following exit devices 2227/F, 33/3527A/F, 33/3547A/48A/F, 98/9927/F and 98/9947/48/F have similar rod adjustment procedures. All top latches control the bottom latch assemblies. When do...:
Why will my EL 1490 fire my latches but not hold?
Resolution:
One of the following items may cause the EL1490 device to retract then release: Incorrect power supply - Verify you have the PS873-2/4TD or PS914-2RS/4RL power supply. Problems with wire gauge...:
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...:
Why is my latch not retracting when I depress the push pad on an XP98/99 device?
Resolution:
Pushing on the push bar or activating the EL/QEL or the trim on Von Duprin XP98/99 exit device does not retract the latch, it releases the latch only. Door must be pushed or pulled when device o...:
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...:
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 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...:
What wire gauge and run is recommended for Von Duprin electric latch retraction EL device?
Resolution:
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What power supply is needed for EL devices?
Resolution:
You can use a Von Duprin PS914 power supply with any of the following option boards depending on the application. 900-2RS board will power 1 or 2 devices that do not require timing from pow...:
How do I wire an EL device to normally hold open the latch and release it during a fire alarm?
Resolution:
Use a normally closed fire alarm as the input to the power supply option board (PS873-2 or PS914-2RS), this will hold the latch retracted. During a fire alarm, the contact will open, dropping...:
What power supply is required for two EL devices and one LCN auto operator?
Resolution:
Von Duprin PS914 x 900-4RL supports two EL with two auto operator.:
Why is my Von Duprin QEL light flashing red and green?
Resolution:
Check to make sure there is no bind of the latch.:
What is needed to keep the EL device retracted all day?
Resolution:
To keep the Von Duprin electric latch retraction EL or QELA exit device dogged (retracted) all day, have your access control, Key pad, key switch, fire alarm contact or any other signals ...: