no link mode

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ALWAYS put the PIM400 in LINK mode first. On a PIM400-TD2 press the LINK1 Button for door one, and LINK2 button for door 2. With a PIM400-485 you must use the SUS/HHD to select which door to LINK.  
1. To put the AD400 in LINK mode, hold down the RTE (Lever or crash bar see below) and press the # key on the key board, or present a card to the reader.            Why press the # key? Because t...
2. AD400 requires a Request To Exit (RTX) signal to link - see the user guide instructions for the linking process.  For an AD400 to enter link mode, it must see the RTX (Request To Exit) switc...
   3. Check the AA battery level, if the AA batteries are below 4.7 volts the AD400 can fail to LINK.             Install fresh batteries, with a level of 6.0 volts or better.  
4. PIM400/AD400 COM400 plug could be damaged! The small pins in the Main PCB board connection for the RF COMM board can get bent during installation of the RF COM400 board. If the PINs are bent a...
Push the LINK button near the TROUBLE LED once to stop the five blinks.
All Keypad ONLY credentials with firmware versions between 2.9.2 and 2.11.0 should be updated to the latest firmware available at www.schlage,com/support.
A firmware issue with Keypad ONLY credential firmware, versions 2.9.2 through 2.11.0 and manufactured between 9-9-2010 and 1-5-2011 will exhibit poor battery life.
The Keypad ONLY credential Reader (KP) can prevent the reader from entering its low power sleep mode - with firmware versions 2.9.2 through 2.11.0
A Technical Note has been generated to document one method of measuring battery current. See the attachment 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.
To convert the Von Duprin 9975NL(Night Latch or Storeroom) to 9975L (Classroom) exit function follow these steps (Note: the mortise lock is shipped as Night Latch from the factory): Turn the NL ...
To convert the Von Duprin 9975L to 9975NL exit function follow these steps (Note: the mortise lock is shipped as Night Latch from the factory): Turn the NL screw on 7500 mortise lock counter clo...
Out of the Box, or after a Factory Default Reset, all AD locks can be used in a "Construction Mode".    At launch ...   The AD-Series locks would accept the first card credentia...
Update your device firmware to the latest version to fix this early design / feature update