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“ No back check ”

Resolution: The valve on the back of a 4041/4040XP closer is a "Back Check Selector Valve" that needs to be turned in on "Parallel Arm" mount applications ONLY. If a 4041/4040XP closer mounted "Top Jamb", or "...:

How do I manually program the AD300 RS-485 Address?

Resolution: Manually Setting the RS-485 Address This method is only available before the first network communication between an Access Control Panel (ACP) and the lock. Do a Level 1 and Level 2 Factory De...:

How to test the RX switch in a Chexit device.

Resolution: Chexit devices shipped prior to 8-24-2015 with solenoid driven: If Chexit device goes into alarm with fast flashing red LED after the rearm time, the RX switch may be out of adjustment or defect...:

Why won't my HHD connect to the AD300 lock?

Resolution: If the AD300 power is not correctly connected it may not communicate or other wise function correctly.The AD-Series locks must be hard wire powered through the comm board. It is not com...:

How do you check what memory size is on a biometric F-Series HandPunch 3000?

Resolution: A biometric F-Series hand reader usually comes with standard user memory. When a user is added that exceeds that user memory size, there is no room left to store that user and that user template c...:

How do you adjust a door closer?

Resolution: How to: What are the steps to adjust a door closer? Facts: All LCN and FALCON door closers will have 3 regulating valves and a spring adjustment. All cl...:

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“ No back check ”

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