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A B663 exploded view can been found here.
The 81 service manual can be found here.
The coin cell Nuisance Delay on CO200 and CO250 can be temporarily disabled using the Schlage Utility Software.
Once disabled via the SUS application, the CO lock will no longer delay the access for valid credentials.
If your CO lock began indicating a low coin cell (Nuisance Delay) after a door file has been downloaded, the coin cell is low and should be replaced. (CR2032)The coin cell Nuisance Delay will be "A...
The coin cell Nuisance Delay settings in the SUS application is not available until such time that a Door file is successfully downloaded to the lockset.
The coin cell is ignored when the lock sets are used with Manual Programming ONLY or while in Construction mode.
Please see the Maintenance Kit Manual for information on device lubrication as well as complete breakdowns and parts lists for Von Duprin exit devices.Exit devices and latc...
To remove the Schlage L Series from a door reference the appropriate installation instructions found here at https://us.allegion.com/en/home.html