Error Symptoms - IBM TotalStorage 300 Service Manual

Error symptoms

Error Symptom
CD is not working properly.
CD-ROM drive tray is not working . (The
server must be powered-on)
CD-ROM drive is not recognized.
Power switch does not work and reset
button does work. There is not a jumper
for forcing power on for the server.
Diskette drive in-use light stays on, or
the system bypasses the diskette drive,
or the diskette drive does not work
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
52
IBM NAS 300 Service Guide
FRU/Action
1. Clean the CD.
2. Run CD-ROM diagnostics
3. CD-ROM Drive
1. Insert the end of a paper clip into the manual tray-release
opening.
2. Run CD-ROM diagnostics
3. CD-ROM Drive
1. Run Configuration/Setup, enable primary IDE channel.
2. Check cables and jumpers.
3. Check for correct device driver.
4. System Board
5. Run CD-ROM diagnostics
6. CD-ROM Drive
1. Verify that the power-on control jumper on J23 extension cable
is on pins 1 and 2.
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
v Power Supply
v Power Backplane
v System Board (with pins 2 and 3 on J23 extension cable connected
together to bypass the power switch.
Description
No power to system or ac
problem.
FRU/Action
1. Check ac power to system.
2. Power Supply