IBM IntelliStation M Pro 6218, Problem Determination And Service Manual

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Table 4. System board error LED descriptions
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,” on page 65 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.
LED Description Action
DIMM x A memory failure occurred on DIMM x.
1. Reseat DIMM x.
2. Replace the following components one at
a time, in the order shown, restarting the
computer each time:
a. DIMM x
b. (Trained service technician only)
System board
Microprocessor fan Microprocessor fan has failed.
1. Reseat the microprocessor fan cable.
2. Replace the following components one at
a time, in the order shown, restarting the
computer each time:
a. Microprocessor fan assembly
b. (Trained service technician only)
System board
DIMM 4 LED
DIMM 3 LED
DIMM 2 LED
DIMM 1 LED
Microprocessor fan LED
System
error LED
Figure 7. System board error LED locations
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IBM IntelliStation M Pro Type 6218 and 9236: Problem Determination and Service Guide