Ask your question Entering your question as a complete sentence will provide more accurate results than keywords or phrases.

“ ALK not working ”

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 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 ...:

Can the Von Duprin SS and ALK option be in the same device?

Resolution: Depends on what is being ordered; SS can stand for either the "Signal Switch" or the "Silk Screen" push bar. The SS (Signal Switch) and ALK (Exit Alarm) sit in the same location in the exit devi...:

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.:

Does the ALK have 24vdc terminals on the circuit board?

Resolution: 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.:

Will the PT790 work with the ALK?

Resolution: The new exit alarm ALK uses the 24VDC regulated PS902 power supply.:

Alk not power up - using 9V battery

Resolution: 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...:

Ask your question Entering your question as a complete sentence will provide more accurate results than keywords or phrases.

“ ALK not working ”

RELATED FAQS