Oracle SPARC T8-4, Service Manual

Page: 30 / 204

Checking for Faults
No. LED Icon or Label 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.
4 Power button The recessed Power button toggles the server on or off.
See “Power Off the Server (Power Button – Graceful
Shutdown)” on page 52 .
5 System Overtemp
LED(amber)
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.
6 Fan Module Fault
LED(amber)
Rear FM 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.
7 PCIe Card Fault
LED(amber)
Rear PCIe 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.
Rear Panel Controls and LEDs
30 SPARC T8-4 Server Service Manual • January 2022