32 CHAPTER 2: INSTALLING THE W EBCACHECAUTION: The Webcache has no ON/OFF switch; the only method ofconnecting or disconnecting mains power is by connecting ordisconnecting the power cord.Checking for CorrectOperation of LEDsDuring the power-up of the Webcache, all ports on the Webcache aredisabled, all of the LEDs light and the Power/Self test LED flashes greenWhen the power-up has completed, check the Power/Self test LED tomake sure that your Webcache is operating correctly. Table 6 showspossible behavior for the LED.Table 6 Power/Self test LED behaviorSolving ProblemsIndicated by LEDsIf the LEDs on the Webcache indicate a problem, refer to Table 7, whichcontains a list of problems and suggested solutions.Table 7 Problems Indicated by LEDsColor StateGreen The Webcache is powered-up and operating normally.Green flashing The Webcache is either powering-up or performing asoftware upgrade.Yellow The Webcache is powered-up but is not caching — afailure has occurred.Off The Webcache is not powered-up. This may also indicatea power failure.Problem Suggested SolutionThe Power/Self testLED does not lightCheck that the power cable is firmly connected to theWebcache and to the supply outlet. If the connection issecure and there is still no power, you may have a faultypower cord.On powering-up, thePower/Self test LEDlights yellowThe Webcache has failed during its power-up sequencebecause of an internal problem. Contact your supplier foradvice.A link is connected butthe Status LED for theport does not lightCheck that: All connections are secure. The devices at both ends of the link are powered-up. The quality of cable is satisfactory.
