what is back check

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On a biometric F-Series or E-Series hand reader, the desired row (r) value and column (c) value should each be zero (0), plus or minus 2.  The desired exposure (e) value sh...
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...
Chexit devices shipped after 8-24-2015 with motor driven:If two pin REX connector cable is plugged into the Chexit module and Module REX LED is OFF, the RX switch is defective and needs to be repla...
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 defective....
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 Default Reset (FDR) to remove any previ...
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...
1) Two blinks of the TROUBLE LED means that the AD300 on this channel is not communicating over the RS-485 line. Check wiring connections; verify correct device addressing using HHD/SUS.
2) Three blinks of the TROUBLE LED means that the AD300 on this channel has a Tamper Switch violation. Investigate the lock's Tamper Switch.
3) Five blinks of the TROUBLE LED means that the AD300 on this channel has used cache mode to allow access during a communication loss with the PIB300 or the Access Control Panel.  Press the LINK b...
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 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 closers with a "Delay" feature ...
You can contact Allegion Customer Service (Sales Support) or Technical Support (Product Support) by phone or by email. To contact by phone: call 877.67...
NOTE: You can also reach your local sales office by dialing 877-671-7011 and selecting option #3 from the main menu. You will be directed to your sales office based on the area code ...