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Latch or keeper are not
functioning properly
Confirm that the keeper is closing properly and that the
lever in the strike cavity is operating freely.
Solution
Possible Causes
Problem
Strike will not lock or
unlock properly
No power to the insert
Using a multimeter, confirm that you have the correct
output voltage at the power supply.
Using a multimeter, confirm that you have the correct input
voltage at the strike.
Confirm that all connections are tight and secure.
Incorrect voltage used
Confirm that the insert and power supply are the proper
voltage.
Strike is binding
Confirm that the strike keeper functions when the door is
open. If the strike operates correctly, adjust door or strike
to eliminate any backpressure.
Confirm that the strike cavity depth is compatible with the
lock set.
Strike releases but
won’t buzz
Improper power supply
Replace the power supply with a correct voltage AC power
supply, and the 12V connector. If this cannot be done, a
DC piezo buzzer can be installed.
Strike makes a buzzing
sound
Improper power supply
Replace the power supply with a correct voltage DC power
supply.
Insert has a burnt smell
Improper voltage
Confirm that you have the correct output voltage at the power
supply.
Improper application
A strike connected to an AC power supply will buzz unless
a rectifier is installed.
Improper installation
Confirm that the correct connector was used when
installing the strike 12V for 12VDC & 12-24VAC, 24V for
24VDC only.
Confirm that all connections are tight and secure.
Mortise lock not dead
latching
Improper Installation
Check alignment of dead latch and lip bracket ramp.
Door has sagged
Adjust door alignment.
Cylindrical deadlatching not
working
Improper Installation / Door
has warped
Adjust the strike horizontal adjustment. (See Installation
Instructions).
Door won’t latch
Door has warped or sagged
creating excessive back
pressure
Re-align door in frame or replace.
Monitor switch is not
functioning
Short in wiring
Confirm that all connections are tight and secure.
Using a multimeter confirm continuity of the N/O & N/C
sides of the switch.
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