Alk alarm sounds whened armed

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The following may cause the ALK to go into alarm: Make sure red and blue wires on the RX switch are connected to the exit alarm ALK terminal block and yellow wire is taped off. Check the red an...
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...
Chexit devices shipped with motor after 8-24-2015. 1. When Chexit device is set for more than zero second rearm time (factory setting is 10 second rearm time) and device goes into alarm immediatel...
Chexit devices shipped with solenoid prior to 8-24-2015. 1.  When Chexit device  is set for more than zero second rearm time (factory setting is 10 second rearm time) and device goes...
A low battery could cause the exit alarm ALK to chirp.  Replace the battery and if it is  still chirping, then replace the circuit board part number 101030-00.
The ALK exit alarm will sound when the exterior trim is used to enter from pull side without using access control when an LX latch bolt monitor switch is used instead of RX push bar monitor switch.
The standard exit alarm ALK devices are not available with dogging option. The device can be ordered through Engineering Special with dogging option on non fire exit devices. This special is o...
Standard exit alarm ALK devices are available with cylinder dogging option as of October, 2011. The device can be ordered standard with cylinder dogging and exit alarm ALK option on non fire rat...
Exit alarm ALK operates with 9VDC battery and doesn't required a power supply.If you choose to hard wire the exit alarm ALK use the PS902 power supply.Exit alarm ALK requires 24VDC regulated power ...
If the spring on the Von Duprin exit alarm ALK board is not located correctly as shown on the instructions, then the vibration from the horn allows the cylinder to turn and shut the exit alarm ALK ...
The PS9 power supply was discontinued.  The new exit alarm ALK can either use a 9VDC battery or 24VDC regulated power supply. There is no direct replacement for Von Duprin PS9 power supply. Cur...
The ALK uses a 1 1/4" mortise cylinder with straight cam. (NO DOGGING)
If the spring on the Von Duprin exit alarm ALK board is not located correctly as shown on the instructions, then the vibration from the horn allows the cylinder to turn and shut the exit alarm ALK ...
AR1 is Auto-Reset 1.5 minute, AR3 is 3 minute, or AR6 is 6 minute option processed through engineering specials on a Von Duprin exit alarm ALK.
 One PS902 power supply will run up to six Von Duprin exit alarm ALK devices. PS902  power supply must be set to 24VDC to operate the exit alarm ALK.  Exit alarm ALK exit devices must be as clo...
PS902
All new 22, 33/35A and 98/99 series exit devices with exit alarm ALK option can be hard wired to the PS902 power supply as a standard  feature.
Chexit devices shipped prior to 8-24-2015 with solenoid driven could cause the Von Duprin CX solenoid to pull and drop and sound the alarm with solid LED or no LED light after the rear...
No, Von Duprin exit alarm ALK and electric latch retraction QEL or EL are installed in the same location and can't be ordered together with the same device.
The current draw of a Von Duprin exit alarm ALK is .25 amp when alarm is activated.
The Chexit device has a different base plate and center case than the ALK.  The Chexit device would need to be replaced with an ALK device.
For Motor driven Chexit devices shipped from the factory after 8-24-2015, the Chexit Secure Relay Contacts( white and violet wires) change state to signal the device is not secure. Check the f...
For Solenoid driven Chexit devices shipped from the factory prior to 8-24-2015, the following could cause the device not to provide delay egress:Measure the voltage between green and orange wires o...
The following could cause the Chexit device shipped prior to 8-24-2015 with solenoid driven to go into weak alarm with solid LED light: Wrong power supply- Chexit device requires  a...
The sign for exit alarm, ALK, is SIGN-1.