Specifications
Installation Instructions for 45HM IDH Max® Mortise Locks
BEST ACCESS SYSTEMS
a Division of Stanley Security Solutions, Inc.
20
Troubleshooting the installation
4  With the door armed, attempt to exit through the 
door.
The request-to-exit (RQE) feature should let you exit 
without triggering an alarm by the access control panel.
5  Remove power from the lock and check whether the 
door remains locked or is unlocked.
Verify that the lock fails safe or secure, according to its 
function.
6  With the door armed, hold the door open. Hold a 
magnet against the edge of the door, over the door 
status sensor, until the access control panel sees the 
door as closed. Then remove the magnet.
Verify that the appropriate alarm response is triggered 
by the access control panel, indicating that the door 
status sensor is working.
7  With the door armed, hold the door open. Hold a 
magnet against the edge of the door, over the door 
status sensor, until the access control panel sees the 
door as closed. With the magnet in place, push in the 
latchbolt.
Verify that the appropriate alarm response is triggered 
by the access control panel, indicating that the 
latchbolt status sensor is working.
Troubleshooting
To troubleshoot installation problems, refer to the table 
below. For more information, refer to the IDH Max Lock 
Service Manual (T60775) and to the documentation 
provided by the manufacturer of the access control panel/
reader interface.
You notice . . . Possible causes include . . . You should . . .
Control electronics’ green status 
LED and panel interface module’s 
green status LED are steadily on.
Note: You can check the control 
electronic’s green status LED by 
removing the access door from the 
inside trim. You can see the 
reflection of the LED inside the 
upper-left corner of the trim.
Communication between the lock’s 
control electronics circuit board and the 
panel interface circuit board has been 
interrupted.
Make sure DIP switches 6 and 7 on the lock’s 
control electronics circuit board are both set to ON 
(automatic baud rate detection) or to the same 
positions as DIP switches 2 and 3 on the panel 
interface circuit board.
Check the connections for all communication field 
wiring.
Check the communication connections between 
the field wire harness and the wire transfer hinge.
Control electronics’ green status 
LED is off.
Power is not being supplied to the lock. Make sure that the lock’s power supply is 
connected to electrical service.
Check the connections for all power field wiring to 
the lock.
Check the power connections between the field 
wire harness and the wire transfer hinge.
Panel interface module’s green 
status LED is off.
Power is not being supplied to the panel 
interface module.
Check the connections for power wiring between 
the panel interface module and the access control 
panel (or other power source).
A ‘door forced’ alarm occurs when 
someone exits through the door.
RQE wiring, and door status and/or 
latchbolt status wiring, is reversed 
between the panel interface module and 
the access control panel/reader interface.
Refer to Connect panel interface module to access 
control panel/reader interface, on page 16, and 
correct the wiring problem.
© 2006 Stanley Security Solutions, Inc. and Stanley Logistics, Inc.
T81624/Rev – 1921963 ER-7991-12 Dec 2006










