System-error LED: When this LED is lit, it indicates that a system error has
occurred. An LED on the light path diagnostics panel is also lit to help isolate the
error. This LED is the same as the system-error LED on the front of the server.
Locator LED: Use this LED to visually locate the server among other servers. You
can use IBM Systems Director to light this LED remotely. This LED is the same as
the system-locator LED on the front of the server.
Power-on LED: The states of the power-on LED are as follows:
v Off: AC power is not present, or the power supply or the LED itself has failed.
v Flashing rapidly (4 times per second): The server is turned off and is not
ready to be turned on. The power-control button is disabled. This will last
approximately 20 to 40 seconds.
Note: Approximately 40 seconds after the server is connected to ac power, the
power-control button becomes active.
v Flashing slowly (once per second): The server is turned off and is ready to be
turned on. You can press the power-control button to turn on the server.
v Lit: The server is turned on.
v Fading on and off: The server is in a reduced-power state. To wake the server,
press the power-control button or use the IMM Web interface.
14 IBM System x3650 M3 Types 4255, 7945, and 7949: Problem Determination and Service Guide
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