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6.3
Common LED Indicators and Control Buttons
For complete descriptions of all LED indicators and control buttons see the following table.
Table 12 LED Indicators and Control Buttons
LED Indicator and
Control Buttons
Description
AC On Indicator
Illuminates steady green when the main AC power is within acceptable levels.
The LED turns off when the level falls below the power-fail threshold and the
panel is switched to standby (battery) power.
Ground Fault Indicator
Flashes yellow at the Trouble rate when a Ground Fault is detected on any field
wiring. Clearing the Ground Fault clears the indication and turns the LED off.
CPU Fault Indicator
Flashes yellow at the Trouble rate when the processor ceases functioning.
Battery/Charger Trouble
Flashes yellow at the Slow Flash rate. Clearing the trouble condition clears the
indication and turns the LED off.
Alarm Queue Button and Indicator
Flashes red when there is an alarm in queue. The buzzer sounds steady.
An alarm can be generated in two ways
•
When any Alarm configured point or input activates.
•
Pressing the General Alarm button.
Pressing the Alarm Queue button allows the user to cycle through and review a
list of active alarms from oldest to most recent. Once all alarms in the queue
have been reviewed the LED will illuminate steady. Resetting the panel clears
the indication and turns the LED off.
Supervisory Queue Button and Indicator
Flashes yellow at the Fast Flash Rate when a Latching or Non-Latching circuit
is activated. The buzzer sounds at the fast rate.
Pressing the Supervisory Queue button allows the user to cycle through and
review a list of active supervisory alarms from oldest to most recent. Once all
alarms in the queue have been reviewed the LED will illuminate steady.
If all Non-Latching Supervisory circuits are restored and there are no Latching
Supervisory Circuits active, the indication will clear and the LED will turn off.
Resetting the panel will clear the activation of any Latching Supervisory Alarms,
clears the indication and turns the LED off.
Summary of Contents for MR-401
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