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 ...
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...
These kits for the 19 Series were discontinued June 11th, 2012 when the updated alarm kit for the 24/25 series was released.
Prior to discontinuation, it was o...
There are three main failures with an ALK. Problems are usually caused by a bad power source(battery), bad RX/LX Switch or a bad circuit board. Try installing a new battery and wai...
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.