11.2 Status LED
The DCR Status LED as seen on the front metalwork cover, provides basic indication of the DCR
state. During bootup of the DCR, it provides indication of where in the boot cycle the DCR
currently is.
Status LED – Normal Bootup Operation
During normal bootup operation, the LED will be as follows:
1. O for ~1-2 seconds
2. Alternating fast Green-Yellow-Red ~4x, about ~2-3 seconds (you will not be able to count due
to fast nature of blink pattern)
3. Then, Solid Red for next 15 seconds
4. O for ~1-2 seconds
5. Blink Yellow fast 2x, then slow 1x
6. O for ~1-2 seconds
7. Alternating fast Green-Yellow-Red ~4x, about ~2-3 seconds (you will not be able to count due
to fast nature of blink pattern)
8. Solid Red for ~5 seconds
9. Blink Yellow fast 3x
10.O for ~1-2 seconds
11.Solid Green (indicating the system is ready); if CR3 is inhibited then the LED would be Solid
Red.
Troubleshooting Faults and Alarms
11.2 Status LED
NXGPro+ Control Manual
442 Operating Manual, A5E50491925A
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