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User questions

NDE - Construction Core Program Charges
What is the difference between the 09-713 and the 09-663 armor front?
Camera calibration on a hand reader, what should the row (r), column (c), and exposure (e) calibration values be to indicate proper camera alignment?
What does the E & T or H stand for in the falcon conventional cylinder section of the Falcon Price book?
The Ives catalog shows a 9624 offset pull that is not in the price book. What is 9624?

What is the part number for the 99 series NL drive screw?
Why does my 7500 retract the latch bolt but not re-lock the trim?
Does the Von Duprin E996L trim require the NL drive screw be installed into the device to function properly?
How do you change the Von Duprin 990TP trim to NL function?
How does the Von Duprin 98/99 rim or vertical rod exit device with lever trim convert from L to L-NL function?
How to convert 98TP to 98L-NL?
Why would the 996L trim not lock or unlock when installed with 98 or 99EO?

When did LCN quit making traditional potbelly style closers?
How do you identify the model number and date code of an LCN cast iron hydraulic closer?
What maintenance is required for an LCN closer?
When did they start putting the green dial's on the 4041 closers?
Where is the date of manufacture on a 4041 closer?
Is there an LCN ST reference chart for PA mount cast iron closers with a 1/4" solid weather strip?
What would cause a door closer to slam?
What is the part number for the 1460 cylinder mounting bracket?
Can a Cam Lift hinge be used with LCN closers?
Are there parts available for the obsolete 330 series door closer?

Will a GJ 90 overhead stop work with an LCN 4642?
What closer can be used with Soss invisible hinges?
Warranty information on Allegion Commercial products.
What products are available with an antimicrobial finish?
Will there be 900-2Q boards for warranty purposes now that the QEL'S do not require the boards?
What Glynn Johnson overhead stop do I need if I want heavy duty surface mounted?
Can a 4110 EDA and a Glynn Johnson 100 be used together?
Can a 4040 regular mount installed on the pull side and a Glynn Johnson 90 be mounted together?

What is the part number for the wireless communication module, radio board, COM400, with the remote antenna connection (gold jack)?
How to adjust First, Delay, and Retry in a PIM400 & AD400?
What are the TWO red SCHLAGE flashes on an AD400?
RADIO FREQUENCY
What drains the AA batteries on an AD-Series lock?
How does Dynamic Channel Switching (DCS) work on the AD-Series?
RF
Frequency
ASK
Bluetooth
900 MHz
Repeater
Can out of square frames be adjusted?
Can "toed in" or "toed out" jambs be adjusted?
Can Drywall Slip-on frames be welded?
Line of sight
Are all Smart Cards contactless?
What current should an AD-Series or CO-Series lockset draw while in its low power "Sleep" mode?
Modulation
What is Z-Wave technology?
FSK

Why is my QEL device not retracting completely?
Why is my latch not retracting when I depress the push pad on an XP98/99 device?
Why would QEL retract and release repeatedly?
What is (SD) Special Dogging?
Does the QEL retract the latch bolt and the pushpad?
What is needed to keep the EL device retracted all day?
How many Von Duprin QEL devices can be connected to a power supply?

What is the part number for the SFIC rim cylinder driver?
What is the tailpiece and driver part number for the 20-057?
What is the part number for the Schlage small format rim cylinder tailpiece?
What is the part number for the Schlage thumbturn rim cylinder?
Do we offer a parts pack for modular mortise or rim cylinder?
Which way is the tail piece of the rim cylinder is inserting into the Von Duprin 98/99 rim device from 996L trim?
How do I order an 88 rim to accept NL cylinder and pull by others?