EN
2
Electrical connections
Terminal connections
0 V
Supply 0 V
R+
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 24 VDC out
34
Guard unlocked 24 VDC out
ER
External Reset Signal
LED Diagnostics
There are two LED indicators on the GKey switch.
Safety lock state
LED 1 (Green/Yellow)
Comment
Guard Open
OFF
Guard Locked
Steady green
Safety outputs ON
Guard Unlocked
Flashing green
Guard Misaligned/
Wrong actuator
Alternate flashing green/
yellow
Fault
Steady yellow
See Reset instructions (in complete original instructions)
Problem with reset procedure
Steady green and yellow
Make sure the RFID actuator is in contact with GKey (guard
closed) and cycle the power.
Solenoid state
LED 2 (Red)
Energized
ON
De-energized
OFF
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.
Lock closed
and locked
Re
d
G
re
en
Ye
llo
w
Error
reset
Front
handle
Rear
handle
Escape release
button
