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Connecting Diagram
Trouble Shooting
Problem
Door does not lock
Low holding force
Sensor output is not functioning
Door Status Sensor (optional)
Orange: N.O.
Door Status Sensor indicates the door is in an open
White: Com
or closed status.
Brown: N.C.
Models:
GEM-600MDS, GEM-800MDS, GEM-1200MDS
GEM-D600MDS, GEM-D800MDS, GEM-D1200MDS
Bond sensor output
N.C. contact output: open status
N.O. contact output: locked status
Models:
GEM-600M, GEM-800M, GEM-1200M
GEM-D600M, GEM-D800M, GEM-D1200M
N.C.
LED indicator
GREEN: Open
RED : Locked
NO LED: No power
Sensor Input
Relock time delay (Optional)
Ensures the automatic lock mode works after the door is
closed properly and it can be adjusted from 1 to 80 seconds.
GEM-600M, GEM-800M, GEM-1200M
GEM-D600M, GEM-D800M, GEM-D1200M
Buzzer Alarm (on the reverse)
Door Held Open Alarm is an auditory feedback for users.
Alarm sounds when the door is not closed for over a specified
time limit. VR timer (Timer Adjustment) is adjustable from
1 to 80 seconds.
(Available for GEM-800MBZ & GEM-1200MBZ)
GEM-D800MBZ & GEM-D1200MBZ)
Possible Cause
No power
Poor contact between electromagnet and
armature plate
Low voltage or incorrect voltage setting
A secondary diode was installed across
the electromagnetic lock
Misalignment between the armature plate
and electromagnetic lock
Control Device N.C. contact or
Access Relay
COM.
N.O.
Mag Power Input
Timer Adjustment
1~80 seconds
Make sure the wires are connected properly
Check that the power supply is connected and works properly
Make sure the lock switch is wired correctly (N.C.)
Make sure if the armature plate is deformed
Make sure if the rubber washer was used between magnet lock and armature plate
Make sure the contact surfaces of the electromagnet and armature plate are clean
and free from dust
Ensure the electromagnet lock is set for the correct voltage.
Check for proper voltage at the electromagnetic locks input. If low, determine if the
correct wire gauge is being used to prevent excessive voltage drop.
Remove any diode installed across the magnet for "spike"
suppression. (The magnet is fitted with a metal oxide varistor to prevent back EMF)
Make sure the armature plate and electromagnetic lock are aligned correctly
12 or 24V
Auto
switchable
Solution
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