Power Supply Led Errors - IBM eserver xSeries 232 8668 Hardware Maintenance Manual

Error Symptom
Diskette drive in-use light stays on, or the
system bypasses the diskette drive, or the
diskette drive does not work.
Monitor problems (general). Some IBM
monitors have their own self-tests. If you
suspect a problem with the monitor, refer
to the information that comes with the
monitor for adjusting and testing
instructions.
Drives not recognized by the Fixed Disk
diagnostic. (e.g. you have 6 drives but the
fixed disk test only shows 3)

Power supply LED errors

Use the power supply LED information on the following page to troubleshoot
power supply problems.
Note: The minimum configuration required for the DC Good light to come on is:
AC Good LED DC Good LED
Off Off
112
Hardware Maintenance Manual: Type 8668
FRU/Action
1. If there is a diskette in the drive, verify that:
a. The diskette drive is enabled in the Configuration/Setup utility
program.
b. The diskette is good and not damaged. (Try another diskette if
you have one.)
c. The diskette is inserted correctly in the drive.
d. The diskette contains the necessary files to start the server.
e. The software program is OK.
f. Cable is installed correctly (proper orientation)
2. Run Diskette Drive Diagnostics.
3. Cable
4. Diskette Drive
5. System Board
1. Monitor
2. Run Video Diagnostics. If diagnostics pass, the problem may be a
video driver.
3. Display Adapter / System Board
1. Remove the first drive that did not show up.
2. Rerun the fixed disk diagnostic.
3. If successful, replace the drive you removed.
v Power Supply
v One processor and VRM (With pins 2 and 3 on J23 extension cable
connected together to bypass the power switch; see "Operator information
panel" on page 10.
v 2 stick 128 mb memory (total 256) (Verify that System Board are properly
connected together; see "System board option connectors" on page 34.
Description
No power to system or ac
problem.
FRU/Action
1. Check ac power to system.
2. Power Supply
3. Power AC Inlet Box