Alarm, error and system messages
8.2 LED displays
SIRIUS 3RN2 thermistor motor protection relay
56
Manual, 10/2016, A5E34244868002A/RS-AA/001
The table below applies to the following module: 3RN2023-.DW30
READY
WARNING
TRIPPED
Meaning
ON
ON
ON
•
Self-test is being performed (on startup or after pressing the
TEST/RESET button > 2 s)
•
Temperature above the permitted limit
ON
flickering
flickering
Short-circuit in the sensor circuits
ON
flashing
flashing
Wire break in the sensor circuits, or common T2
ON
OFF
OFF
Temperature below the permitted limit
ON
ON
OFF
Temperature has exceeded warning threshold but is below the trip
threshold
OFF
OFF
flashing
Device in system STOP following inadequate supply voltage
1)
OFF
OFF
OFF
•
No power supply
•
Device defective
•
Error detected during self-test
•
Switch-on/switch-off process
1)
NOTICE
Restart required
The device must be disconnected from the supply voltage for at least 1 s before restarting
the system.
Summary of Contents for 3RN2011
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