AD always unlocked

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Installers have reported that their AD-CO Series cylindrical or mortise locks will unlock whenever the outside lever is lifted.    This will occur if the outside spindle (square post) is install...
  1) RS-485 communication will NOT interfere with a new firmware update on an AD300. You do not need to disconnect the RS-485 wires from the AD300. The AD300 will not be onlin...
  Steps to update firmware on an AD300. A) Keep the VIN/GND or AUX power applied. The AD300 will not function properly on AA battery power. B) Connect the SUS/HHD to the USB connector and p...
Look to see if the  "Fail Safe?UNLOCK" on communication failure is set and you have lost communication.
The "Unlock on READ" from diagnostics will clear with the next AD400 heartbeat, automatically. It will also clear with successful communication to a working access control panel. 
 If the AD-400/AD-401 is LINKED to a PIM400-TD2 and all credentials including invalid cards are granted access, the PIM400-TD2 is not communicating with the Access Control Panel, and the lock is st...
Or force a strike input to the PIM400-TD2. Short J8-1 and J8-2 (Door 1), Short J7-1 and J7-2 (Door 2) on the PIM400-TD2