NOTE: No diagnostic indicators are lit when the system is switched off. To start the system, plug itinto a working power source and press the power button.Table 5. Diagnostic indicatorsIcon Description Condition Corrective actionHealthindicatorIf the system is on and ingood health, the indicatorturns solid blue.None required.The indicator flashes amberif the system is on or instandby, and if any errorexists (for example, a failedfan or hard drive).Check the System Event Log or systemmessages for the specific issue. For moreinformation about error messages, see theDell Event and Error Messages ReferenceGuide at Dell.com/openmanagemanuals >OpenManage software.Invalid memory configurations can causethe system to halt at startup without anyvideo output. See Getting help.Hard driveindicatorThe indicator flashes amberif there is a hard drive error.Check the System Event Log to determinethe hard drive that has an error. Run theappropriate Online Diagnostics test. Restartthe system and run embedded diagnostics(ePSA). If the hard drives are configured in aRAID array, restart the system and enter thehost adapter configuration utility program.ElectricalindicatorThe indicator flashes amberif the system experiences anelectrical error (for example,voltage out of range, or afailed power supply unit(PSU) or voltage regulator).Check the System Event Log or systemmessages for the specific issue. If it is dueto a problem with the PSU, check the LEDon the PSU. Reseat the PSU. If the problempersists, see Getting help.TemperatureindicatorThe indicator flashes amberif the system experiences athermal error (for example, atemperature out of range orfan failure).Ensure that none of the followingconditions exist:• A cooling fan is removed or has failed.• System cover, cooling shroud, EMI fillerpanel, memory module blank, or backfiller bracket is removed.• Ambient temperature is too high.• External airflow is obstructed.See Getting help.MemoryindicatorThe indicator flashes amberif a memory error occurs.Check the system event log or systemmessages for the location of the failedmemory. Reseat the memory module. Ifthe problem persists, see Getting help.15
