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IF NECESSARY, TROUBLESHOOT OPERATION
Output 2 LED Red
LED
on Device
Calibration
Button
when board is powered
Power at
the QEL
QEL Response
Condition / Solution
0VDC
LED - Off
Latchbolt extended
QEL is not receiving power to operate
1.
Problem with power supply or wiring
24VDC
LED - Solid green
Latchbolt retracted
Operation normal
LED - Solid red
after latchbolt attemtps to retract
multiple times
Improper mechanical adjustment or QEL calibration
First check mechanical adjustment (on vertical rods or mortise lock devices, if used) and correct
adjustments*
Calibrate the QEL
1.
Apply power and wait until the LED is solid red
2.
Momentarily press the calibrate pushbutton (LED will flash green)
3.
QEL will go through a retraction sequence to complete calibration, LED will be solid green and
latchbolt retracted
4.
Remove and reapply power to verify correct operation
If the power to the QEL is being controlled by an access control system with momentary unlock, calibrate
as follows:
1.
Open door completely if using auto operator
2.
Press and hold the QEL pushbutton
3.
Activate the access control input to unlock the QEL
4.
Immediately after the QEL LED turns on green, release the QEL pushbutton
5.
The QEL will calibrate (this will look like a fast then a slow pull)
6.
Reapply power to verify correct operation
LED - Flashing green/red
Latchbolt is not retracted
Excessive tamper (while power was applied, the pushpad was pulled out at least 3 times)
1.
Wait 2 minutes, latchbolt will retract again; OR
2.
Remove and reapply power to clear the condition
12 VDC
LED - Solid red after latchbolt
attempts to retract multiple times
Power supply is not set for proper voltage output
1.
Remove AC from power supply, change it from 12 to 24VDC
2.
Apply AC power to power supply and verify proper operation
*For information about adjusting exit devices, go to www.vonduprin.com/installation_instruction_library.asp
or call Technical Services at 1-877-671-7011
