Power Supply Led Errors - IBM xSeries 230 6RY Hardware Maintenance Manual

Error Symptom
Power switch does not work and reset
button does work.
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.

Power supply LED errors

Use the power supply LED information on the following page to troubleshoot
power supply problems.
The minimum configuration required for the DC Good light to come on is:
v Power Supply
v Power Backplane
v System Board (with power-on override switch (switch 5 of SW1) set to On; see
AC Good LED DC Good LED
Off Off
FRU/Action
1. Verify that the power-on override switch 5 of SW1 is set to Off
(see "System board switches and jumpers" on page 44).
2. Power Switch Assembly
3. System Board
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
"System board switches and jumpers" on page 44)
Note: The power-on override switch (switch 5 of SW1) is intended for problem
determination purposes only. Use of this switch will cause POST errors.
.
Description
No power to system or ac
problem.
FRU/Action
1. Check ac power to system.
2. Power Supply
3. Power Backplane
4. Power AC Inlet Box
Symptom-to-FRU index
133