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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, System x3755 Type 8877 and 7163," on page 25 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.
System-error log message
Power Good Fault detected by memory card X
Power Supply X Temperature Warning
Power supply current exceeded max spec value 1. Install another power supply (if possible) and make sure that
Power Supply X 12V Over Current Fault
Power Supply X 12V Over Voltage Fault
148
IBM System x3755 Type 8877 and 7163: Problem Determination and Service Guide
Action
1. Reseat the microprocessor/memory card. See "Removing a
microprocessor/memory card" on page 51 and "Replacing a
microprocessor/memory card" on page 51.
2. Reseat the DIMMs, see "Removing a DIMM" on page 48 and
"Replacing a DIMM" on page 49.
3. Replace the microprocessor/memory card. See "Removing a
microprocessor/memory card" on page 51 and "Replacing a
microprocessor/memory card" on page 51.
4. (Trained service technician only) Replace the I/O board, see
"Removing the I/O board assembly" on page 68 and "Replacing
the I/O board assembly" on page 69.
1. Make sure that the room temperature is within the specified
range (see "Environment" at "Features and specifications" on
page 3).
2. Make sure that the fan air intake areas are clear and well
ventilated.
3. Make sure that all fans are installed and functioning.
4. Reseat power supply X.
5. Replace power supply X.
the ac power cords are correctly connected.
2. Remove devices that consume an extraordinary amount of
power.
3. Replace the power supply.
4. (Trained service technician only) Replace the I/O board, see
"Removing the I/O board assembly" on page 68 and "Replacing
the I/O board assembly" on page 69.
1. Reseat the power supply.
2. Replace the following components one at a time, in the order
shown, restarting the server each time:
a. Power supply
b. (Trained service technician only) I/O board. See "Removing
the I/O board assembly" on page 68 and "Replacing the I/O
board assembly" on page 69.
1. Reseat the power supply.
2. Replace the following components one at a time, in the order
shown, restarting the server each time:
a. Power supply
b. (Trained service technician only) I/O board. See "Removing
the I/O board assembly" on page 68 and "Replacing the I/O
board assembly" on page 69.
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