IBM x3400 7975 - Page 99

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 x3400 Types 7973, 7974, 7975 and 7976,” on page 87 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 Action
System shutoff due to VRM over voltage
1. (Trained service technician only) Reseat the microprocessor.
2. Replace the following components one at a time, in the order
shown, restarting the server each time:
a. (Trained service technician only) Microprocessor
b. (Trained service technician only) System board
System shutoff due to VRM under voltage
1. (Trained service technician only) Reseat the microprocessor.
2. Replace the following components one at a time, in the order
shown, restarting the server each time:
a. (Trained service technician only) Microprocessor
b. (Trained service technician only) System board
System under recommended voltage for +12v
1. Reseat the following components:
a. Hot-swap power supplies (if any are installed)
b. (Trained service technician only) Power-supply cables on
the system board
2.
(Trained service technician only) Replace the system board.
System under recommended voltage on +2.5v
1. Reseat the following components:
a. Hot-swap power supplies (if any are installed)
b. (Trained service technician only) Power-supply cables on
the system board
2.
(Trained service technician only) Replace the system board.
System under recommended voltage on
continuous +5v
1. Reseat the following components:
a. Hot-swap power supplies (if any are installed)
b. (Trained service technician only) Power-supply cables on
the system board
2.
(Trained service technician only) Replace the system board.
System x started a RS485 connection with us Information only.
We started a RS485 connection with remote
system x
Information only.
We will retry sending alert ID x; when accepted
by a remote system, it will have a different ID
Information only.
Windows blue screen has been captured Information only.
Chapter 2. Diagnostics 81