FPP-RNAC-8A-4C
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Operation and Installation Guide | 5.0
FPP-RNAC-8A-4C Local Status Display
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Bosch Security Systems, Inc. | 8/09 | F01U025431-02
Table 10: Local Status Display LED Functions (continued)
LED Label Color
Description
3
SYSTEM
Yellow
Blink Count
Description
TROUBLE
(The Trouble Relay activates or changes state.)
(display priority)
1
Any memory fault (RAM, FLASH, watchdog,
unexpected interruptions, stack corruption).
2
Power supply overvoltage.
3
Low battery or missing battery
4
Battery charger circuit trouble.
5
Auxiliary power overcurrent condition – the current is
measured at the Auxiliary Power Port output.
6
System overcurrent – The combined currents
measured at each NAC output together with the
Auxiliary Power Port output.
7
Power supply output voltage is low.
STEADY
The SYS TRBL LED and the Trouble Relay are
active when the Flash Programming module is
connected.
4 GROUND
FAULT
Yellow
Ground Fault - Indicates that the NAC output wiring is not connected properly to
an external source or ground.
The Trouble Relay is deactivated.
5
TRBL1
Yellow
Output 1 has an open or shorted EOL
The Trouble Relay is deactivated.
6
TRBL2
Yellow
Output 2 has an open or shorted EOL
The Trouble Relay is deactivated.
7
TRBL3
Yellow
Output 3 has an open or shorted EOL
The Trouble Relay is deactivated.
8
TRBL4
Yellow
Output 4 has an open or shorted EOL
The Trouble Relay is deactivated.
Figure 13: FPP-RNAC-8A-4C LEDs
INPUT ACTIVE
AC OK
SYSTEM TROUBLE
GROUND FAULT
TROUBLE 4
TROUBLE 3
TROUBLE 2
TROUBLE 1