qel not releasing

RELATED FAQS

Question
Answer
The following could cause the QEL device to retract and release repeatedly: If this is a vertical rod type device, the vertical rods could be adjusted too short. Check rods for dead locking, ...
  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...
The 900-2Q board is no longer available. For warranty purposes, QEL conversion kit and 900-2RS board are required. The 900-2RS replaces the 900-2Q board.
You may have a defective motor bracket, defective base plate or vertical rod could be out of adjustment.
Improper mechanical adjustment or QEL calibration could cause the QEL cycle three times with solid LED and not work. First check mechanical adjustment on vertical rods or mortise lock device and co...
SD is Special cylinder dogging in the center case of 98/99 rim and vertical rod non fire rated devices and is available with standard, EL, QEL, CX and ALK.
Use the PS902-2RS power supply with LCN auto operator on single door, PS904-2RS power supply on double door and PS904/906-2RS-2RS for 2 pair of QELA is required for basic operation with a...