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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, 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.
Beep code Description Action
3-3-3 No operational memory in system.
1. Make sure that the system board contains
the correct number and type of DIMMs;
install or reseat the DIMMs; then, restart the
server.
2. Replace the following components one at a
time, in the order shown, restarting the
server each time:
a. DIMMs
b. (Trained service technician only) System
board
No-beep symptoms
The following table describes situations in which no beep code sounds when POST
is completed.
Table 11. No-beep code symptoms
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.
No-beep symptom Description Action
No beeps occur, and the server
operates correctly.
1. (Trained service technician only)
Reseat the front information panel
LED cable.
2. (Trained service technician only)
Replace the front information
panel LED assembly.
No beeps occur, and there is no
video.
See “Solving undetermined problems”
on page 245.
132 ThinkServer TS100 Types 6431, 6432, 6433, and 6434: Hardware Maintenance Manual