Hot-Swap Power-Supply Led Errors - IBM 8649 - Eserver xSeries 225 Maintenance And Troubleshooting Manual

Note: See "System replaceable units" on page 122 to determine which components should be replaced by a field
service technician.
Symptom to FRU list
Symptom
Tape drive test failed.
BIOS timer test failed.
IRQ controller test tailed.
DMA channels test failed.
RAM refresh test failed.
Real-time clock test failed.
System board LED test failed.
Cache test failed.
Keyboard test failed.
Speaker test failed.
Mouse test failed.

Hot-swap power-supply LED errors

Use 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 supply
v Power cage assembly, if installed.
v System board (set switch 7 of SW1 to bypass the power switch; see
Note: See "System replaceable units" on page 122 to determine which components should be replaced by a field
service technician.
AC good LED DC good LED
Off Off
FRU/action
Tape drive
System board
System board
System board
System board
System board
System board
Microprocessor
1. Keyboard
2. System board
System board
1. Mouse
2. System board
"System-board internal connectors" on page 91.
Description
No power to system or ac
problem.
FRU/action
1. Check ac power to the system.
2. Power supply.
Chapter 6. Symptom-to-FRU index
109