connect left or right

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...
The 4600 Series I/O PC Board was updated in Nov. of 2010. As part of that update, the hold open switch plug in connector was removed, requiring the hold open switch to be field wired on t...
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
Von Duprin 98/99 NL drive screw is located in back of the 98/99 center case assembly. NL drive screw should be left in with trim lock slide plate in up position in the 98/99 exit device with E99...
A  LHR (left hand reverse) door uses a RH (right hand) door closer. A RHR (right hand reverse) door uses a LH (left hand) door closer.
A door can be handed in several ways. The easiest way is to stand on the Push side of the door. Push the door away from you as if you are going to walk thru the opening. If the hinges are on yo...
To determine the hand of a door, view the door from the outside, security side or key side of door.  Once there identify which side are the hinges located on the, right or left side of t...
Go to the push side of the door opening.  See above illustration. If door swings out to the left, it needs a left hand door closer. If door swings out to the right, i...
LHR