F5 520, Manual

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Introducing the 520/540 Platform
F5 Networks, Inc., Platform Guide 1 - 5
Description Power LED Status LED Activity LED Alarm LED
Normal Startup:
Power is off Black Black Black Black
Starting Up - BIOS Green Black Black Yellow
Starting Up - Loader Green Black Yellow Yellow
Starting Up - Kernel Green Blink
Yellow
Flicker Yellow* for
storage device Yellow
System ready - (standby mode) Green Yellow Flicker Green** for
Traffic Black
System ready - (active mode) Green Green Flicker Green for
Traffic Black
Error Conditions:
Overtemp or fan failure Green Yellow or
Green Flicker Green for
Traffic Blink Red
Out of memory or other serious condition Green Yellow or
Green Flicker Green for
Traffic Red
One or more virtual servers have all nodes
down Green Yellow or
Green Flicker Green for
Traffic Blink Yellow
One or more health monitors failed Green Yellow or
Green Flicker Green for
Traffic Yellow
Self Test Failed in Phase 1 Green Black Black Red
Self Test Failed in Phase 2 Green Black Black Black
Self Test Failed in Phase 3 Green Blink Yellow Black Red
*After startup, LED3 never flickers yellow, even though the storage device may be accessed.
**Flicker Green means traffic is being load balanced or routed.
Table 1.1 Behavior of the status LEDs