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Cisco ASR 903 Router Hardware Installation Guide
OL-25178-04
Chapter 5 Troubleshooting
LED Summary
Power Supply LEDs
Table 5-15 summarizes the power supply LEDs for both the AC and DC power supplies.
Fan Tray LEDs
Table 5-16 summarizes the fan tray LEDs.
Table 5-14 Power Supply LEDs
LED Color/State Description
Input OK Off No Input Voltage
Amber Input voltage out of range
Green Input voltage within acceptable operating range
Output Fail Off Disabled/Forced Shut down/No input power
Red Power supply fault (internal failure such as over temperature)
Green Operational
Table 5-15 Power Supply LEDs
LED Color/State Description
Input Power
(PWR)
Off No input voltage
Amber Input voltage out of range
Green Input voltage within acceptable operating range
Status
(STAT)
Off Disabled/power-down/no power
Red Power supply fault (internal failure)
Green Operational
Table 5-16 Fan Tray LEDs
LED Color/State Description
Status
(TEMP)
Off Disabled/power down
Amber Over temperature
Green OK
Fan (FAN) Green Fan rotation in range
Amber Fan fault
Red Two or more fan faults
Minor
(MIN)
Off No minor alarm
Amber Minor alarm
Major
(MAJ)
Off No major alarm
Red Major alarm