ALK LED solid

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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 new Von Duprin exit alarm ALK shipped after November 2010  has an LED indicator.
To program the 8310-865 receiver: Set the dip switches 1 to the "OFF" (pulse) position. Set the dip switches 2 to the "OFF" (0.5s) position. Momentarily press the " No Delay" or "Delay" ...
The Von Duprin exit alarm ALK shipped after November 2010 are new style boards and can be identified by the 3 terminal blocks and LED.  Only these ALK will work with 24vdc power supply.
Inadequate power or wrong gauge wire is used the inrush current demand by CX will overload and shutdown the power supply.  You must use the Von Duprin PS873 or newer PS914 supply.   Related soluti...