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Question
Answer
Does the Von Duprin ALK require the RX switch to operate?
Resolution:
The RX switch is required to activate the ALK. The RX switch monitors the pushbar and will signal the ALK to go into alarm when the pushbar is depressed. The RX switch also allows free in...:
Does a Von Duprin ALK kit come with an RX switch?
Resolution:
ALK kit comes with standard RX switch. It can be ordered without the RX switch or with LX switch as an option.:
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...:
How many Von Duprin ALK's can be powered off a PS900 series power supply?
Resolution:
The Von Duprin exit alarm ALK draws about .25 amp. PS902 power supply powers up to 8 exit alarm ALK. PS904/914 powers up to 16 exit alarm ALK. PS906 powers up to 24 exit alarm ALK. :
Will an ALK sound when the exterior trim is used to enter from the pull side?
Resolution:
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.:
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...:
Can you put an EL on a Von Duprin 22 device?
Resolution:
Von Duprin 22 series are not available with electric latch retraction EL option. 22 series are the economy device and are only available with RX, LX and exit alarm ALK. EL option is only availa...:
The Von Duprin 98 or 99 ALK kit will not sound the horn
Resolution:
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...: