Lenovo ThinkServer TS100 Hardware Maintenance Manual page 258

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, ThinkServer TS100 Machine Types 6431, 6432, 6433, and 6434," on page 37
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
System shut off due to system board under
temperature
System shutoff due to +12V over voltage
System shutoff due to +12V under voltage
System shutoff due to +2.5V over voltage
System shutoff due to +2.5V under voltage
System shutoff due to +3.3V over voltage
System shutoff due to +3.3V under voltage
System shutoff due to 1.5V CPU over voltage
System shutoff due to 1.5V CPU under voltage
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ThinkServer TS100 Types 6431, 6432, 6433, and 6434: Hardware Maintenance Manual
Action
1. Make sure that the fans have good airflow and are not
obstructed.
2. (Trained service technician only) Replace the system board.
1. Reseat the following components:
a. Hot-swap power supplies, if any are installed
b. Power supply cables on the system board
2. (Trained service technician only) Replace the system board.
1. Reseat the following components:
a. Hot-swap power supplies, if any are installed
b. Power supply cables on the system board
2. (Trained service technician only) Replace the system board.
1. Reseat the following components:
a. Hot-swap power supplies, if any are installed
b. Power supply cables on the system board
2. (Trained service technician only) Replace the system board.
1. Reseat the following components:
a. Hot-swap power supplies, if any are installed
b. Power supply cables on the system board
2. (Trained service technician only) Replace the system board.
1. Reseat the following components:
a. Hot-swap power supplies, if any are installed
b. Power supply cables on the system board
2. (Trained service technician only) Replace the system board.
1. Reseat the following components:
a. Hot-swap power supplies, if any are installed
b. Power supply cables on the system board
2. (Trained service technician only) Replace the system board.
1. Reseat the following components:
a. Hot-swap power supplies, if any are installed
b. Power supply cables on the system board
2. (Trained service technician only) Replace the system board.
1. Reseat the following components:
a. Hot-swap power supplies, if any are installed
b. Power supply cables on the system board
2. (Trained service technician only) Replace the system board.