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Messages & diagnostics
8.2 LED display
3RW51 Soft Starter
118
Manual, 06/2019, A5E37108631002A/RS-AB/002
8.2.2
Status and error displays
LED "RN" - RUN
State
Meaning
Lights up
green
The 3RW51 soft starter is ready for operation.
Flashes
green
The 3RW51 soft starter is not ready, e.g. due to:
•
System startup
•
Device factory settings are being restored
•
Self-test active
•
Firmware update
LED "ER" - ERROR
State
Meaning
Off
No error present.
Flashes
red
At least one error exists.
LED "MT" - MAINTENANCE / WARNING
State
Meaning
Off
No maintenance warning is active.
Lights up
yellow
At least one maintenance warning exists. The cause has not been eliminated.
LED combinations
State
Meaning
RN
ER
MT
Flashes
green
Flashes
red
Flashes
yellow
•
The 3RW51 soft starter is not ready for operation.
•
Device error detected