no lights on qel panic

RELATED FAQS

Question
Answer
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.
The old MPB842 power supply will power up to two EL electric panic bars but will not power the QEL devices.  A defective potted module inside the electric panic bar or defective power supply coul...
The following common wiring diagrams are available:One Single Door with Panic BarElectric Latch Retraction, with Auto OperatorDelayed egress - Fire Rated ApplicationAuto Operator and actuatorElectr...
Electronic Protocols:Access Control Door with electric trimAccess Control with electric strike Access control with electric strike and LCN 4600 automatic operatorAccess Control with remote Loc...
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.
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.
  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...
You may have a defective motor bracket, defective base plate or vertical rod could be out of adjustment.
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...