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“
qel latch chatter
”
RELATED FAQS
Question
Answer
Does the QEL retract the latch bolt and the pushpad?
Resolution:
Yes the Von Duprin QEL exit device retracts the latch bolt and pushpad. Pushpad and latch bolt stay retracted as long as power is applied to the QEL exit device. :
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 ...:
Why is my Von Duprin QEL light flashing red and green?
Resolution:
Check to make sure there is no bind of the latch.:
Why is the Von Duprin PS873 power supply buzzing or chattering?
Resolution:
Some transformers in the power supplies provide a little humming noise and that is normal. If the humming in Von Duprin PS873 power supply is loud follow these steps. Remove the load from the outp...:
What does chattering mean on a QEL?
Resolution:
If a vertical rod device, verify the vertical rods are adjusted properly and there is not a bind at the strikes. Make sure the push bar is not binding at the pushbar guides or any...:
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...: