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Siemens 5ST3 COM Operating Instructions Manual page 5

Auxiliary switch + fault signal contact
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LED off
Device without power
LED static green
AS+FC alright
LED flashes 0.75 Hz green
Not configured with master device
LED flashes 2 Hz green, min. for 3 s
Internal process running e.g. pairing,
internal test, firmware update, reset
LED flashes 5 Hz green
Device identification after
ext.command
Reset device keys to factory default (unpair from
7KN Powercenter 1000)
3338214103-05
LED flashes alternately 2 Hz
yellow/green
Warning metering value threshold
exceeded (e.g. temperature) with auto
reset.
LED flashes alternately 2 Hz yellow/red
Manual OFF or
Warning life cycle parameter threshold
exceeded (e.g. switching cycles,
number of trips) - reset only by
changing threshold / deactivate
warning
LED flashes 2 Hz yellow
Communication error
LED flashes 2 Hz red
Main device tripped
LED flashes 4 Hz red
Self-test failed, device error
Press button ≥ 10 s
After 3 s LED flashes 2 Hz green for 7 s.
Then the LED flashes 10 Hz green
5

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