Power-supply LED errorsUse the information in this section to solve power-supply problems.Note: The minimum configuration required for the dc good light to be lit is:v Power supplyv Power cage assembly.v System board (set switch 1 of SW2 to bypass the power switch; see“System-board switches and jumpers” on page 56).Note: See “System” on page 108 to determine which components a field service technician should replace.AC good LED DC good LED Description FRU/actionOff Off No power to system or acproblem. 1. Check ac power to the system.2. Power supply.On Off Standby mode or dcproblem. 1. Move switch 1 of SW 2 to bypass powercontrol. If the dc good LED is lit, pressCtrl+Alt+Delete. Watch the screen for anyPOST errors. Check the system-error logand BMC log for any listed problems. If thesystem starts with no errors:a. Power switch assemblyb. System board2. Remove the adapters, and disconnect thecables and power connectors to all internaland external devices. Turn on the system.If the dc good LED is lit, replace theadapters and devices one at a time untilyou isolate the problem.3. Power supply.4. Power cage assembly.5. System board.On On Power is working properly. N/AService processor error codesWhen viewed in the system-error log, the Remote Supervisor Adapter II SlimLinemessages will appear as text descriptions. To determine a possible error conditionfor the Remote Supervisor Adapter II SlimLine, see the system-error log (see“Viewing error logs from diagnostic programs” on page 63).SCSI error codesNote: If a ServeRAID-7k controller is installed and later removed, you mustre-enable the on-board SCSI controller in using the Configuration/Setup Utilityprogram (see Chapter 2, “Configuring the server,” on page 9).100 xSeries 346 Types 8840 and 1880: Hardware Maintenance Manual and Troubleshooting Guide
