IBM 7985 Problem Determination And Service Manual page 90

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 4, "Parts listing, System x3655, Type 7985 and 7943," on page 93 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
Memory area non-critical over temperature
warning
Memory area non-recoverable over temperature
fault
Fan n failure
n = the fan number
Fan n fault
n = the fan number
Hard drive n fault
n = the hard disk drive number
Hard drive n removal detected
n = the hard disk drive number
HT1000 initiated sync flood: Legacy I/O Failure
HT1000 initiated sync flood: PERR on PCI-x slot 1. Reseat the failing adapter.
HT1000 initiated sync flood: SERR on PCI-x slot 1. Reseat the failing adapter.
Power supply n removed
n = the power supply number
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IBM System x3655 Type 7985 and 7943: Problem Determination and Service Guide
Action
1. Make sure that the fans are operating and are not obstructed.
2. Make sure that the air baffles are in place and correctly
installed.
3. Make sure that the server cover is installed and fully closed.
1. Make sure that the fans are operating and are not obstructed.
2. Make sure that the air baffles are in place and correctly
installed.
3. Make sure that the server cover is installed and fully closed.
4. (Trained service technician only) Replace the system board.
1. Make sure that the connector on the fan is not damaged.
2. Make sure that the fan connector on the system board is not
damaged.
3. Make sure that the fan is fully installed (press down on the
fan).
4. Reseat fan n.
5. Replace fan n.
1. Make sure that the connector on the fan is not damaged.
2. Make sure that the fan connector on the system board is not
damaged.
3. Make sure that the fan is fully installed (press down on the
fan).
4. Reseat fan n.
5. Replace fan n.
1. Reseat hard disk drive n.
2. Replace hard disk drive n.
Reseat hard disk drive n.
(Trained service technician only) Replace the system board.
2. Replace the failing adapter.
3. (Trained service technician only) Replace the system board.
2. Replace the failing adapter.
3. (Trained service technician only) Replace the system board.
1. Reseat power supply n.
2. Replace power supply n.
3. Replace the power backplane.