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“ alk not alarming ”

Resolution: 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...:

What is the part number for the EAK PCB only for Monarch Falcon devices?

Resolution: This circuit board will NOT work on the updated 24/25 Alarm Kits that released June 11th, 2012.:

What could cause the Von Duprin exit alarm ALK to turn off after one or two minutes?

Resolution: 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 ...:

Why is the Von Duprin exit alarm ALK going into alarm on it's own?

Resolution: 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...:

Will one PS902 power supply run two Von Duprin exit alarm ALK'S?

Resolution: PS902:

What cylinder is needed with Von Duprin exit alarm ALK?

Resolution: The ALK uses a 1 1/4" mortise cylinder with straight cam. (NO DOGGING):

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“ alk not alarming ”

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