Flashing rapidly (4 times per second): The server is turned off and is notready to be turned on. The power-control button is disabled. This will lastapproximately 20 to 40 seconds.Flashing slowly (once per second): The server is turned off and is ready tobe turned on. You can press the power-control button to turn on the server.Lit: The server is turned on.Fading on and off: The server is in a reduced-power state. To wake theserver, press the power-control button or use the IMM Web interface. See“Logging on to the Web interface” on page 103 for information on logging onto the IMM Web interface.v System-locator LED: Use this LED to visually locate the server among otherservers. You can use IBM Systems Director to light this LED remotely.Power-supply LEDsThe following illustration shows the location of the power-supply LEDs on the rearof the server. See the Problem Determination and Service Guide for additionalinformation about solving power-supply problems.The following table describes the problems that are indicated by variouscombinations of the power-supply LEDs and the power-on LED on the operatorinformation panel and suggested actions to correct the detected problems.Chapter 1. The System x3550 M2 server 29
