what if i cant rotate mechanical key for coupleing

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If the error "Device does not support this action - E802" appears when trying to couple the lock, it is generally because the user is not pressing the SW1 tamper button 3 times, but instead pressin...
In order to properly couple, the interior pushbutton must be held down while tapping the SW1 (tamper switch) three times.  This will enable the lock to couple to the HHD.
CO Reader Modules are not individually replaceable, nor can they be swapped between locks. The inside and outside assemblies of a CO lock are a matched/mated set and cannot be swapped to change rea...
1. Press and hold the Schlage button. Wait for the lock to beep twice and two green blinks of the Schlage button, indicating a confirmation. 2. After confirmation signals, release the Schlage butt...
Place any new orders per the following table ...
 Mortise Deadbolt Locks  Discontinued  Replace With  CO200MD  70-Classroom/Storeroom  40-Privacy  CO250MD  70-Classroom/Storeroom  40-Privacy  AD200MD  70-Classroom/Storeroo...
* NOTE: the AD300/400 devices simply communicate the change in Deadbolt Position status to the Host software.  The software then decides what action should or should not be taken at the device. 
The Schlage AL-Series SFIC locks require one (1) small format spacer (D500-000) for 7-pin cores and two (2) small format spacers for 6-pin cores.  When these spacers are not ins...
Check the timing first, Where can I find timing instructions for the Falcon T lock? The keyspindle assembly for the T/RU571 and the T/RU561 was re...
Replace the lock chassis as necessary for any T locks exhibiting this issue.  RU locks need to be replaced entirely.