DORM
ED400 In Floor
Controller Manual
21
DORMA AUTOMATICS, Inc. 924 Sherwood Drive Toll-Free: 877-367-6211 DL3128-010
Lake Bluff, IL 60044 Fax: 877-423-7999 10/1/2007
E-mail: automatics@dorma-usa.com Subject to change without notice
Opening door bumps against the hard-stop
The controller learned the Electrical Back-Stop to be the same as the mechanical hard-stop. That is probably
because either
• you didn't stop the door at the Electrical Back-Stop during the slow learning cycle, during
initial set-up, or
• the hard-stop in the operator is set too far closed.
Back-Check or Latch-Check angles seem wrong
Move the door manually and compare the actual door angle with the angle displayed (turn the Selector knob
to Monitor Select, turn the Dial Knob to select "AnG", turn the Selector knob to Monitor Value).
• If they do match, remember that the door slows down before Latch-Check.
• If they don't match, see the next paragraph.
Angle displayed doesn't match door angle
If the angles do match at Back-Stop:
• Check the setting for Door Mount in the controller.
• For surface mount doors, check the placement of the operator with respect to the doorhinge.
• For Push mounts, check the point where the arm is mounted to the door, and the angle of the
arm when the door is closed.
• If all of these are correct, then the problem may be that the reveal is very different from the
standard that was used to calculate the controller's parameters.
If the angles don't match anywhere:
• During initial set-up, the Back-Stop angle you specified in the controller was not the same
as the angle where you stopped the door during the slow learning cycle. Do a new Full learn Cycle
DATA LED doesn’t light
This LED lights if the door is anywhere but at Latch-Stop, and a DK-12 dual-zone sensor is properly
connected. If this LED doesn’t light when the door is open, it’s probably because a DK-12 is not properly
connected to the DATA line. You may test this LED by connecting the DATA line to Ground.
LOCK LED doesn’t light
This LED lights if the controller is driving an electric lock (whether or not a lock is actually connected
to the LOCK line). If this LED doesn’t light, or is always lit, the problem is probably that the driver inside
the controller was damaged by being improperly connected
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