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Checking for Faults
No.
LED
4
Power button
5
System Overtemp
LED(amber)
6
Fan Module Fault
LED(amber)
7
PCIe Card Fault
LED(amber)
Rear Panel Controls and LEDs
30
SPARC T8-4 Server Service Manual • January 2022
Icon or Label
Rear FM
Rear PCIe
Description
■ Slow blink – A normal but transitory activity is taking place.
Slow blinking might indicate that server diagnostics are
running or that the server is booting.
The recessed Power button toggles the server on or off.
See
"Power Off the Server (Power Button – Graceful
Shutdown)" on page
52.
Indicates these conditions:
■ Off – Indicates a steady state, no service action is required.
■ Steady on – Indicates that a temperature failure event has
been acknowledged and a service action is required.
Indicates these conditions:
■ Off – Indicates a steady state, no service action is required.
■ Steady on – Indicates that a fan module failure event has been
acknowledged and a service action is required on at least one
of the fan modules.
Indicates these conditions:
■ Off – Indicates a steady state, no service action is required.
■ Steady on – Indicates that a failure event has been
acknowledged and a service action is required on at least one
of the PCIe cards.
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