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8. Diagnostics
8.1. Diagnosis Information
The Guard Locking Device indicates its operating state and malfunctions via three LEDs of differing color at
its front panel.
Green LED
• Supply voltage on
Yellow LED
• Operating state
Red LED
• Error
Blink Codes
(red)
1 blink
2 blinks
3 blinks
5 blinks
6 blinks
10 blinks
Red, con-
tinuously lit
Table 2: LED Diagnosis Information
Safety Interlocks electromagnetic / Safety Switch with interlocking function
Designation
Error (warning)
at output OSSD 1
Error (warning)
at output OSSD 2
Error (warning)
Cross-circuit
Error at actuator
Latching force
error
Magnet tempera-
ture too high
Internal error
Automatic
Cause of Error
Shutdown
After
30 min.
Output test error or
voltage at output "OSSD 1", al-
though the output is switched off.
30 min.
Output test error or
voltage at output "OSSD 2", al-
though the output is switched off.
30 min.
Cross-circuit between the output
conductors or error at both out-
puts. Voltage must be switched
off and back on again after 30
minutes.
0 min.
Incorrect or defective actuator
0 min.
Latching force > 500 N fallen
short of (e.g. actuator offset).
0 min.
The magnet is too warm:
T > 70° C
0 min.
Defective device
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