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 4364 or Type 4365 server,” on page 59 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-event/error log message Action
System is under recommended voltage for
+1.5V CPU
1. Reseat the following components:
a. (Trained service technician only) Microprocessor
b. (Trained service technician only) System board
c. Power supply
2.
Replace the following components one at a time, in the order
shown, restarting the server each time:
a. (Trained service technician only) System board
b. (Trained service technician only) Microprocessor
System is under recommended voltage on
+3.3V
1. Reseat the following components:
a. (Trained service technician only) System board
b. Power supply
2.
(Trained service technician only) Replace the system board.
System log 75% full Clear the system-event/error log.
System log cleared Information only.
System memory error
1. Reseat the DIMMs.
2. Replace the DIMMs.
System over recommended voltage for +12v.
1. Reseat the following components:
a. (Trained service technician only) System board
b. Power supply
2.
(Trained service technician only) Replace the system board.
System over recommended voltage on +2.5v.
1. Reseat the following components:
a. (Trained service technician only) System board
b. Power supply
2.
(Trained service technician only) Replace the system board.
System over recommended voltage on
continuous +5v.
1. Reseat the following components:
a. (Trained service technician only) System board
b. Power supply
2.
(Trained service technician only) Replace the system board.
System shutoff due to +1.5V CPU over voltage
1. Reseat the following components:
a. (Trained service technician only) Microprocessor
b. (Trained service technician only) System board
c. Power supply
2.
Replace the following components one at a time, in the order
shown, restarting the server each time:
a. (Trained service technician only) System board
b. (Trained service technician only) Microprocessor
52 IBM System x3250 Types 4364 and 4365: Problem Determination and Service Guide