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FAQs

What would cause an EL exit device to pull and release repeatedly?

Resolution: Following could cause the EL device to pull and drop repeatedly. Short to ground on EL wiring. Incorrect wire gauge used. For wire run and gauge requirements, click HERE Wrong power suppl...:

How do you change the function from TL to NL on the 376T?

Resolution: Use NL cylinder plate, part number 050599-00. See instructions: 376T instructions :

What does OBS mean?

Resolution: OBS means Open Back Strike.:

What type of cylinder is required on a 9947NL-OP x 110-MD?

Resolution: A standard rim cylinder per 110 Installation Instructions.:

What is the part number for the 230L stud?

Resolution: The 230L mounting stud is part #971245.:

Why did my T511 suddenly stop working and the key just spins and will not retract the latch?

Resolution: There are two possible issues that would cause a key to spin and not retract the latch or unlock the lever. Review the following: Check to make sure the correct tailpiece is installed and unda...:

Why is my key is hard to rotate on my T571?

Resolution: Check the timing first, Where can I find timing instructions for the Falcon T lock? If the timing can not be set then you may have a defectiv...:

Parts manuals for Von Duprin exits?

Resolution: Von Duprin parts manuals are downloadable on the US.Allegion.com document library page.In the filter, select:Document Type: ManualBrand: Von DuprinCategory: Exit DevicesThis will pr...:

What parts are needed to add dogging on the 33A/35A/98/99 panics with less dogging ?

Resolution: The following parts can be added to less dogging devices as long as the devices are not fire rated and the base plate has a dogging bracket assembly available.050114-XX for 33A/99 devices050117-XX ...:

What size of 2390 replaces the discontinued 1390 device?

Resolution: The 2390 is only available in two sizes, a 21"(overall 24.125" w/ endcaps) and a 24"(Overall 27.125" w/endcaps) unlike the older 1390 which could have been ordered to size. You woul...: