Planning and Installation Manual 211
Section 7
Troubleshooting
LEDs
Front panel
Power supplies
Fans
Display Meaning
POWER/ALARM Red Master alarm for this chassis: check internal alarm LEDs
Green Power on, chassis OK
Amber
Secondary warning: single fan failure or secondary NR board is
active. Check internal alarm LEDs
Off System is not powered
Display Meaning
AC OK Green AC Power OK
Off Supply is not powered (or is not operating)
DC OK Green DC power OK
Off Supply is not powered (or is not operating)
Display Meaning
FAN ALARM Red Check fan
Off Fan OK
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