v Follow the suggested actions in the order in which they are listed in the Action column until the problem
is solved.
v See Chapter 3, “Parts listing, Type 8864,” on page 23 to determine which components are customer
replaceable units (CRU) and which components are field replaceable units (FRU).
v If an action step is preceded by “(Trained service technician only)”, that step must be performed only by a
trained service technician.
Error code Description Action
I9990301 Fixed disk sector error.
1. Verify that a bootable operating system is
installed.
2. Reseat the following components:
a. Hard disk drive
b. SAS hard disk drive backplane
c. I/O board
3.
Replace the components listed in step 2 one at a
time, in the order shown, restarting the server
each time.
I9990305 An operating system was not found.
1. Make sure that a bootable operating system is
installed.
2. Run the hard disk drive diagnostic tests.
3. Reseat the following components:
a. Hard disk drive
b. SAS hard disk drive backplane and cables
c. DVD drive and cables
d. I/O board
4.
Replace the components listed in step 3 one at a
time, in the order shown, restarting the server
each time.
I9990650 AC power has been restored.
1. Check the power cables.
2. Check for interruption of the power supply (see
“Power-supply LEDs” on page 108).
3. Reseat the following components:
a. Power supply
b. (Trained service technician only) Power
backplane
4.
Replace the components listed in step 3 one at a
time, in the order shown, restarting the server
each time.
Checkout procedure
The checkout procedure is the sequence of tasks that you should follow to
diagnose a problem in the server.
About the checkout procedure
Before performing the checkout procedure for diagnosing hardware problems,
review the following information:
v Read the safety information beginning on page vii.
v The diagnostics programs provide the primary methods of testing the major
components of the server, for example, the I/O board, Ethernet controller,
86 IBM System x3850 Type 8864: Problem Determination and Service Guide
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