25
5.2.1.2 Ventilation
switches
LED indicator in the ventilation push-button (not active in deadman‘s mode)
Push-button functions
Open
Close
Stop (open and close push-button pressed simultaneously)
5.2.1.3 Key switch ST10 / ST20
Indicator LEDs in ST20 key switch
Operation ST10 / ST20
Key to the left:
Open
Key to the right:
Close
Signalling
Designation
Display at LED
Functional description
LED
Operating LED
ON
Window open
Flashing
Drive moving
OFF
Window close
ST20
Signalling
Designation
Display at LED
Functional description
LED green (1)
Window state
OFF
Window closed
Flashing (2 s on; 0.5 s off )
Window opened via timer input
Flashing 0.5 Hz
Drive moving
ON
Window not closed
LED yellow
Fault
OFF
Device operational
Flashing 0.5 Hz
Fault
Brief fl ashing (green LED (1) is ON)
System requires maintenance
ON
No bus communication
LED red
Alarm
OFF
No alarm
Flashing 1 Hz
Alarm
Summary of Contents for RZ 25
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