Removing And Replacing A Power Supply In The 8001-12C, 8001-22C, 8005-12N, Or 8005-22N; Removing A Power Supply From The 8001-12C, 8001-22C, 8005-12N, Or 8005-22N - IBM CS821 Service Manual

Changes to SEL events changes color of sensor indicator when you refresh or restart the display. Sensor
status display also starts over with a reboot or a power cycle.
Sensor status indicator descriptions
Gray indicator:
v FRU not plugged
v Sensor not initialized
v Sensor function is not initialized
Red (faulty) indicator:
v Critical threshold exceeded (an event requires a service action)
v Service action required for hard fail
v Partial function failure that reached a "service action required" state
v A deconfigured resource requires a service action
Green (good) indicator:
v FRU or sensor is plugged in and fully operational
v Recoverable event is below the critical "service action required" threshold
v FRU or sensor returned to "normal" operating range (for threshold sensors)
Removing and replacing a power supply in the 8001-12C, 8001-22C,
8005-12N, or 8005-22N
Learn how to remove and replace power supplies in the IBM Power System S821LC (8001-12C), the IBM
Power System S822LC for Big Data (8001-22C), the IBM CS821 (8005-12N), or the IBM CS822 (8005-22N)
systems.
Removing a power supply from the 8001-12C, 8001-22C, 8005-12N, or
8005-22N
Learn how to remove power supplies in the IBM Power System S821LC (8001-12C), the IBM Power
System S822LC for Big Data (8001-22C), the IBM CS821 (8005-12N), or the IBM CS822 (8005-22N) systems.
About this task
If a single power supply failed, it can be replaced while the system is running.
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Power Systems: Servicing the IBM Power System S821LC (8001-12C) or the IBM CS821 (8005-12N)