IBM xSeries 366, Problem Determination And Service Manual

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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 8863,” on page 105 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.
Beep code Description Action
3-3-3 No operational memory in system. Note: Make sure you re-enable the memory in
the Configuration/Setup Utility program. See,
“Memory problems” on page 52
1. Make sure that all memory cards contain
the correct number of DIMMs; install or
reseat DIMMS; then, restart the server.
2. Reseat the following components:
a. DIMM
b. Memory card
c. Microprocessor tray
3. Replace the following components one at a
time, in the order shown, restarting the
server each time.
a. DIMM
b. Memory card
c. (Trained service technician only)
Microprocessor tray
Two short beeps Information only, configuration has
changed.
1. Run the Configuration/Setup Utility program.
2. Run the diagnostic programs.
Three short beeps Memory error. Note: Make sure you re-enable the memory in
the Configuration/Setup Utility program. See,
“Memory problems” on page 52
1. Reseat the following components:
a. DIMM
b. Memory card
c. Microprocessor tray
2. Replace the following components one at a
time, in the order shown, restarting the
server each time.
a. DIMM
b. Memory card
c. (Trained service technician only)
Microprocessor tray
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IBM xSeries 366 Type 8863: Problem Determination and Service Guide