IBM 86655RY - Netfinity 7600 - 8665, Hardware Maintenance Manual

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Symptom-to-FRU index
225
Error symptoms
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:
• Power Supply
Error Symptom FRU/Action
CD is not working properly. 1. Clean the CD.
2. Run CD-ROM diagnostics.
3. CD-ROM Drive
CD-ROM drive tray is not working.
(The server must be powered-on.)
1. Insert the end of a paper clip into the manual tray-release
opening.
2. Run CD-ROM diagnostics.
3. CD-ROM Drive
CD-ROM drive is not recognized. 1. Run Configuration/Setup, enable primary IDE channel.
2. Check cables and jumpers.
3. Check for correct device driver.
4. Run CD-ROM diagnostics.
5. CD-ROM drive
6. I/O Legacy Board
Power switch does not work and reset
button does work. 1. Verify that the power-on control jumper on J23 is on pins 1 and 2.
2. Power Switch Assembly
3. I/O Legacy Board
Diskette drive in-use light stays on, or the
system bypasses the diskette drive, or the
diskette drive does not work. 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. I/O Legacy Board
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.
1. Monitor
2. Run Video Diagnostics. If diagnostics pass, the problem may be a
video driver.
3. Display Adapter / I/O Legacy Board