
D10024
D10024 Operator’s Guide
46521C Page 10 Copyright © 2001 Radionics
System Event and Status LED Function
Alarm
An input point is in alarm state, or has latched into an alarm state. This clears
when the system is reset.
System Trouble
There is a fault in the system: SLC wiring, power fault, etc. This clears when the
fault has been corrected and the panel has been reset.
Trouble Silenced
The annunciation of a fault condition has been manually silenced by an operator.
This clears when the fault condition has been corrected and the panel has been
reset, or another fault occurs.
Point Bypassed
One or more inputs have been disabled manually by an operator. This clears when
the point(s) are returned to service.
Earth Fault
The system has a short circuit to a foreign ground, such as an SLC conductor
shorted to a heating duct. This clears when the fault has been corrected and the
panel has been reset.
Sounder Fault
This indicates a wiring fault witn a NAC device. It clears when the fault has been
corrected and the panel has been reset.
Sprinkler Supervisory
This indicates a special type of alarm, usually indicating an unsafe condition with a
fire suppression system. It clears when the system has been reset.
CPU Reset
The system has detected an improper operation of the CPU, and has restarted it
automatically. It clears when the system is reset by the operator.
Alarm Silenced
Notification circuits have been manually turned off by an operator, but the system
is still in an alarm state. This clears when the system is reset.
AC Power Indicates that acceptable AC line power is present.
Table 3: System Event and Status LEDs
Overview
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