SECO-LARM USA Electromagnetic Lock E-941SA-1200 - Manual (Page 8)

SECO-LARM ELECTROMAGNETIC LOCK
8 SECO-LARM U.S.A., Inc.
No relay output
Troubleshooting:
LIFETIME LIMITED WARRANTY This SECO-LARM product is warranted against defects in material and workmanship
while used in normal service for the lifetime of the product. SECO-LARM’s obligation is limited to the repair or replacement
of any defective part if the unit is returned, transportation prepaid, to SECO-LARM. Under no circumstances will SECO-
LARM be responsible for any costs or charges for removal, installation, or reinstallation. This Warranty is void if damage is
caused by or attributed to acts of God, physical or electrical misuse or abuse, neglect, repair, or alteration, improper or
abnormal usage, or faulty installation, or if for any other reason SECO-LARM determines that such equipment is not
operating properly as a result of causes other than defects in material and workmanship. The sole obligation of SECO-
LARM, and the purchaser’s exclusive remedy, shall be limited to repair or replacement only, at SECO-LARM’s option. In no
event shall SECO-LARM be liable for any special, collateral, incidental, or consequential personal or property damages of
any kind to the purchaser or anyone else. This lifetime limited warranty is for products sold and installed in the United States
and Canada. For all other countries the warranty is 1 (one) year.
NOTICE: The information and specifications printed in this manual are current at the time of publication. However, the
SECO-LARM policy is one of continual development and improvement. For this reason, SECO-LARM reserves the right
to change specifications without notice. SECO-LARM is also not responsible for misprints or typographical errors.
Copyright © 2010 SECO-LARM U.S.A., Inc. All rights reserved. This material may not be reproduced or copied, in
whole or in part, without the written permission of SECO-LARM.
SECO-LARM U.S.A., Inc.
16842 Millikan Avenue, Irvine, CA 92606 Website: www.seco-larm.com
Tel: 800-662-0800 / 949-261-2999 Fax: 949-261-7326 E-mail: sales @ seco-larm.com MiE941SA_1009.docx
Door does not lock
Bond status LED does not Illuminate  Check to make sure the wires are securely tightened to the terminal block.
 Check that the power supply is connected and operating.
 Use a meter to check the resistance of coils inside the lock. See below.
 Make sure the rubber washer is installed and free from damage.
Door locks, but can easily be forced open
 Make sure the electromagnet and armature plate are properly aligned.
 Make sure the contact surfaces of the electromagnet and armature
plate are clean and free from rust.
 Check the power leads with a meter, and make sure 12VDC or 24VDC is
present.

Use a meter to check the resistance of coils inside the lock. See below.
 Make sure the rubber washer is installed and free from damage.
 The electromagnet is fitted with a metal oxide varistor to prevent
interference, so do not install a second diode.
Delay in door releasing
 Check that the power is connected properly and turned on.
 Make sure the lock is aligned properly.
 Make sure the NO/NC/COM are wired properly.
PITGW1
1. Remove the faceplate from the lock.
2. Disconnect the wire harness from the circuit board.
3. Using a meter, measure the resistance across:
Red / Green wires, and the Black / White wires.
4. Each coil should test at 48  ±10%.
5. If one or both of coils shows an open, short, or incorrect
resistance, replace the electromagnet.
White
Black
Green
Red
Wire Harness:
48  ±10%
48  ±10%
If the Electromagnet has low or no holding force, check the resistance of the coils by
performing the following steps: