Troubleshooting 173Troubleshooting the Power SledCAUTION: Remove and replace one PSU module at a time. Leave a failed PSUmodule installed in the power sled until you are ready to replace it. Operating thesystem with a power sled removed for extended periods of time can cause thesystem to overheat.NOTE: A 1400 W PSU module in the power sled require a 200-240 V power sourceto operate.1 Locate the power sled to be removed or the power sled that contains thefailed PSU module. The PSU module’s status indicator will either light upgreen or amber. If the PSU module is faulty the status indicator lights upamber. See Figure 1-12.2 Replace the faulty PSU module in the power sled. See Installing thePSU Module.NOTE: After installing a power sled with a new PSU module, allow several secondsfor the system to recognize the power supply and to determine if it is workingproperly. The status indicator turns green to signify that the module is functioningproperly.If none of the PSU modules show a fault LED and the sleds do not poweron, log into the BMC web interface and check for status messages. SeeUsing the Baseboard Management Controller Guide for more information.If all troubleshooting fails, see "Getting Help" on page 187.Troubleshooting Power Supplies1 Identify the faulty PSU module by the PSU module's status indicator. Ifthe PSU module is faulty the status indicator lights up amber.2 Reseat the power supply by removing and reinstalling it. See "Power Sled"on page 148.NOTE: After installing a power sled with a new PSU module, allow several secondsfor the system to recognize the power supply and to determine if it is workingproperly. The power indicator turns green to signify that the power supply isfunctioning properly.If the problem persists, replace the fault PSU module.If all troubleshooting fails, see "Getting Help" on page 187.
