Juniper QFX5120 Series Hardware Manual page 60

Table 23: DC Power Supply LEDs on a QFX5120-48Y Switch (continued)
Name Color
Fault Amber
State Description
On steadily An error has been detected in the power
supply. Replace the power supply as soon as
possible. To maintain proper airflow through
the chassis, leave the power supply installed
in the chassis until you are ready to replace
it.
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