hhd not connecting ad lock

RELATED FAQS

Question
Answer
1) Make sure the lock batteries are more than 4.0 volts. The USB connection will not detect or communicate with a voltage lower than 4 volts. Many times a firmware update will draw d...
2) Make sure the SUS/HHD is set to communicate using USB connection mode in SUS.  You should see the familiar USB symbol on the SUS main Screen in the bottom right corner.  If you see a S...
3) When you update with NEW firmware replacing very OLD firmware a S1 RESET is suggested after the update. This initializes all the AD-Series memory locations to the new firmware. S1 is the ...
4) Make sure the HHD-USB cable is securely inserted into the HHD and into the lockset.  
5) Inspect the HHD-USB connector(s), ensure no pins are damaged, recessed or out of alignment. If a damaged cable is found customers should see their dealer for a replacement or they can order a re...
5) If working with a CO lockset, the mechanical key switch needs to be in its "Inactive" or normal position.  Ensure the triangle alignment on the front escutcheon and that...
If the  AD300  power is not correctly connected it may not communicate or other wise function correctly.The AD-Series locks must be hard wire powered through the comm board. It is not com...
AD300 locksets MUST have hard power to operate.
Connect 12VDC or 24VDC power supply to the AD300 lock before attempting HHD communication.
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...
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.       ...
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...
   3. Check the AA battery level, if the AA batteries are below 4.7 volts the AD400 can fail to LINK.             Ins...
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 be...
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.
Make sure the lock AA batteries are good. 4.8 VDC or higher.
When in its “Active state”, the mechanical key switch can prevent USB connection. Make sure the lock key cylinder and tailpiece are properly installed.
Make sure the mechanical triangles on the back of the outside escutcheon are aligned properly.  See the installation instructions at www.schlage.com/support Schlage Technical Support.&nbs...
If the Schlage Utility Software pops up a "E201 error", just ignore it, and tap "Device Options" or update your firmware. See 78451  
Make sure the HHD/SUS is set to USB communication by checking the small icon right of the "No Device Connected" message.  The symbol should be a USB symbol when working with USB enable product...