Latch not retracting on my push bar

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  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 RX switch is required to activate the ALK. The RX switch monitors the pushbar and will signal the ALK to go into alarm when the pushbar is depressed. The RX switch also allows free in...
A red and green flashing LED's on a QEL indicates the device has been tampered with while power was applied, the push pad was pulled out at least three time. Wait 15 seconds and latchbolt will retr...
The push bar being pulled out three times while power is applied causes the lights to flash and the device to stop retracting.
Check to make sure there is no bind of the latch.
If the Chexit device shipped prior to 8-24-2015  is not adjusted correctly ( Check vertical rod or Mortise finger) without using the door position switch and nuisance delay is&n...
 
Followings are the reason for 98/99 exit alarm ALK not sound when push bar is activated. Make sure key switch on exit alarm ALK is turned on, wait for 20 seconds before you activating the pushba...
Following could cause the bottom latch on 98/9927 exit device to drag. Bottom rod is too long. Adjust bottom rod per instruction sheet 911375. Top latch controls the bottom latch.  ...
You can not use these options together on the same device per the following reasons: QEL/EL device retracts the latch bolt of the exit device allowing entry. CX (Chexit) device ...
The latch bolt on an XP98/99 exit device does not retract. The latch bolt will release and pivot out of the way when push bar is depressed or out side trim is activated.