Secutron MR-2300 series, User Manual, Page: 12 / 20

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The Buzzer and LED Indicators
3.2.5 Signal Circuit Indicators
This operation applies to indicating circuits of any type. The Circuit Trouble Indicator flashes
amber at the Trouble Rate to indicate short-circuit or open-circuit trouble, or if the circuit is
Disconnected.
Table 5 Signal Circuit Indicators
Event Circuit Trouble LED Configuration
Open circuit
Flashes at the trouble rate
(amber)
Signal
Short Circuit
Flashes at the trouble rate
(amber)
Disconnected
Flashes at the trouble rate
(amber)