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FAQs

Resolution: LCN no longer sells, repairs, or has any replacement parts for the track of the old SED units which had a built in detector in the track. :

Can the Falcon 25-V be cut to fit on a 2' door?

Resolution: The standard Falcon 25V vertical rod cannot be cut to fit on a 2 feet door opening. This device requires 2' 7 1/8" minimum door opening. Falcon offers a device that can be used on a 2 feet doo...:

Can the Von Duprin ALK exit alarm be ordered with hex dogging option on?

Resolution: The standard exit alarm ALK devices are not available with dogging option. The device can be ordered through Engineering Special with dogging option on non fire exit devices. This special is o...:

Which AD firmware package version supports WRI400/CT5000 devices?

Resolution: SUS 4.4.0 released on 06/06/2011 is the first released SUS version compatible with WRI400 and CT5000 devices.:

Why can't I see the Lock Friendly name in the Hand Held Device (HHD)?

Resolution: In order for the HHD to be able to display the lock name, the lock firmware must be updated with ADFwPkg 2.17.10 and COFwPkg 1.21.0 (OR higher) AND the lock MUST be programmed with its door file be...:

Do I have to couple each lock with the HHD/SUS after the coupling password is changed or updated?

Resolution: After updating the SUS coupling password, subsequent HHD’s will need the new coupling password entered before they can update any information in the lock, once the HHD has the correct coupling pass...:

My AD or CO series lock cannot be put in coupling mode.

Resolution: With the recent firmware update, the Coupling mode will be disabled in the AD or CO series locks after an SUS is successfully coupled to the lock the first time. (see notes below for effected ...:

Does Von Duprin have any current trim that can be provided to work with the 44 series device?

Resolution: The 880 series trim will work with the 44 series device.:

What will cause no output of 24V on the 900-2RS?

Resolution: Checking the following items: The setting of the PS914 is set on 24VDC You measure 24VDC from the PS914 mother board The 900-2RS is plugged into the PS914 power power supply Either the fire a...:

How is the QEL calibrated?

Resolution: The QELA motor that has shipped since 2015 is self calibrating. Older versions had a calibration button, and these notes would apply: Calibration is an internal process of the QEL device&...: