LED on one of the Skyhigh Web Gateway appliance power supply units (WG5500 and WG5000) is blinking green
Last Modified: 2023-12-13 10:58:36 Etc/GMT
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LED on one of the Skyhigh Web Gateway appliance power supply units (WG5500 and WG5000) is blinking green
Technical Articles ID:
KB81076
Last Modified: 2023-12-13 10:58:36 Etc/GMT EnvironmentSkyhigh Web Gateway (SWG) appliance (Intel-based WG5500 and WG5000)
SummarySWG appliance models WBG-5500-C and WBG-5000-C are based on a different server model than the previous Intel hardware platforms, such as WBG-5500-B and WBG-5000-B. The appliances contain redundant power supply units (PSUs), and the PSU LED specifications have changed.
ProblemOn your SWG appliance, you see the LED on one of the PSUs blinking green while the other LED remains solid green.
SolutionThis behavior is expected for the LEDs for these PSUs. For these appliances, the PSUs implement cold redundancy (power saver). The LED for the PSU that's in the active state stays solid green and the LED for the redundant PSU blinks green. When cold redundancy isn't supported on an appliance, both PSUs are always in the active state and the LEDs remain solid green.
PSU model numbers that support cold redundancy (as of September 2015; more PSU models might support cold redundancy in the future):
IMPORTANT: If you see one of the following issues, contact Technical Support because this issue might be a hardware defect case:
To contact Technical Support, go to the Create a Service Request page and log on to the ServicePortal.
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