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Electrical connections
Lock closed
and locked
Terminal connections
0 V
Supply 0 V
R+
Supply +24 VDC
S+
Unlock signal (solenoid) +24 VDC in
11/12
Safety interlock and lock monitoring circuit
21/22
Safety interlock and lock monitoring circuit
44
Guard opened signal +24 VDC out
34
Guard unlocked signal +24 VDC out
ER
External Reset Signal
LED Diagnostics
There are two LED indicators on the GKey switch.
Safety lock state
Guard Open
Guard Closed + Locked
Guard Closed + Unlocked
Guard Closed + Misaligned/
Wrong actuator
Fault
Problem with reset procedure
Solenoid state
Energized
De-energized
Maintenance
Every month: Check correct operation of all circuits and the Lock function. If any part of the GKey product displays mechanical damage,
then remove and replace.
Every six months: Isolate power and remove cover. Check screw terminal tightness and check for signs of moisture ingress. Re-check
according to the installation instructions in this manual.
Front
handle
Error
reset
LED 1 (Green/Yellow)
OFF
Steady green
Flashing green
Alternate flashing green/
yellow
Steady yellow
Steady green and yellow
LED 2 (Red)
ON
OFF
EN
Rear
handle
Comment
Safety outputs ON
See Reset instructions (in complete original instructions)
Make sure the RFID actuator is in contact with GKey (guard
closed) and cycle the power.
Escape release
button
2
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