Juniper QFX5200 Hardware Manual page 37

Table 14: Interpreting Chassis Status LEDs on a QFX5200-48Y
Name Color
PS1 Unlit
(Power Supply Status)
Green
Amber
PS2 Unlit
(Power Supply Status)
Green
Amber
Diag Green
(Diagnostic)
Amber
FAN Unlit
Green
Amber
LOC Unlit
Amber
RELATED DOCUMENTATION
show chassis alarms
State Description
Off Power supply not present.
On steadily Power supply is working correctly.
On steadily Power supply is faulty
Off Power supply not present.
On steadily Power supply is working correctly.
On steadily Power supply present but faulty.
On steadily System self-diagnostic test successfully completed.
On steadily System self-diagnostic test has detected a fault. (Fan, thermal or
any interface fault.)
Off The switch is powered off.
On steadily Fan operating normally.
On steadily Fan present but faulty.
Off Not a switch to trace its location.
Flashing Flashing by remote management command. Assists the
technician in finding the right device for service in the rack.
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