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Indicators, Controls and Operations
8.1 Common LED indicators
8.1.1 AC ON
The AC ON led is on steady green while the main AC power is within acceptable levels. It is
turned off when the level falls below the power-fail threshold.
8.1.2 COMMON ALARM
The common alarm led is illuminated steady red as a result of any active alarm present in the
system.
8.1.3 COMMON TROUBLE
The common trouble led in illuminated steady amber as a result of a trouble condition being
detected on the system.
8.1.4 BATTERY TROUBLE
Flashes amber at a slow rate, when the battery voltage is lower than the specified threshold or
the battery is off line. Flashes amber at a fast rate when there is a trouble on the battery
charger circuit.
8.1.5 REMOTE TROUBLE
Flashes amber at a slow rate as a result of any remote trouble condition.
8.1.6 GROUND FAULT
Flashes amber at a slow rate when there is a ground fault detected in the system.
8.1.7 CPU FAIL
Flashes amber at a slow rate when the CPU is not working properly.
8.1.8 ABORT
Illuminate steady amber when the abort circuit is active.
8.1.9 RELEASED
Illuminate steady red when the releasing circuit(s) is active.
8.1.10 SYSTEM RESET
Turn on steady amber during the system reset process.
Note: Note that each display is supplied with laser printer printable paper labels for
sliding into the plastic label template on the panel. For the Main Display, the
paper label is part number NP-2056; this includes English and French versions.
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