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FAQs

Will Primus cylinder fit into the F locks?

Resolution: The Primus cylinders are not designed to fit into the F locks. They are too long and the tailpiece is oriented differently.:

What replaced the D871 deadbolt?

Resolution: The Falcon D400 and D800 series (including the D871) were discontinued in 2008.:

When ordering the ND lock less cylinder will it come with a tailpiece?

Resolution: The Schlage ND is shipped with a driver/tailpiece when ordered with a LD, BD, or JD suffix.:

What is the difference between the ND93 and ND95?

Resolution: ND93PD (ANSI F88) Vestibule LockLatch retracted by key from outside when outside lever is disengaged by key in inside lever. Inside lever is always unlocked. ND95PD (ANSI F110) Classroom Securit...:

Is the C987 a small format or full size core?

Resolution: The "C" indicates small format IC core, which is the only core style Falcon products. The C987 will be provided less core unless -6, or -7 suffix is specified (6 or 7 pin core) Example:...:

Do I need to order the LCN 4040XP closer X ST-3596 to get the cover screw to secure the snap on cover to the cylinder?

Resolution: As of June 27th, 2018--- the cover screw is now standard in the screw packs for the 4040XP, 4040XPT, 4000T, and 4040SE so ST-3596 is no longer needed. :

What cam to use for a modular cylinder in Sargent mortise lock?

Resolution: The Sargent cams listed below work for all applications except 16 inside and 50 outside. The equivalent Sargent cam is the 13-0660. Use the B520-736 for modular cylinder lengths of 1 1/8",...:

Why is the AD400 unlocked after I tested it with my SUS/HHD.

Resolution: Look to see if the "Fail Safe?UNLOCK" on communication failure is set and you have lost communication.:

Can Battery Backup (BB) be added to a PS900 series power supply in the field?

Resolution: Battery backup can be added to the PS900 series power supplies. Order the 900-BBK to get the battery backup board and batteries for field installation.:

Can a Fire Alarm Relay (FA) be added to a 900 series power supply (PS902, PS904, PS906, PS914) in the field?

Resolution: All other models require that the 900-FA be installed onto an option boards. If the power supply in the field already has an option board, order the 900-FA board to install on that option board. ...: