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
ON ON ON
• Self-test is being performed (on startup or after pressing the
TEST/RESET button > 2 s)
• Temperature above the permitted limit
Short-circuit in the sensor circuits
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
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)
The device must be disconnected from the supply voltage for at least 1 s before restarting
the system.
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