IBM 7985 Problem Determination And Service Manual page 102

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.
BMC log message
CPU 2 temperature
CPU 1 volt
CPU 2 volt
PCI slot faults
HT1000 initiated sync
flood: Legacy I/O failure
HT1000 initiated sync
flood: PERR on PCI-x
slot
HT1000 initiated sync
flood: SERR on PCI-x
slot
System resetting due to
unrecoverable error
Primary HT2100 initiated
sync flood: PCI-e slot n
error
Primary HT2100 initiated
sync flood: SAS error
Processor n initiated sync
flood: DIMM n failed
Processor n initiated sync
flood: Processor n failed
84
IBM System x3655 Type 7985 and 7943: Problem Determination and Service Guide
Sensor Sensor
number type Action
99 01
1. Check all fans and remove any obstacles from the path of the
2. Make sure that the room temperature is within the
9C 02
1. (Trained service technician only) Reseat the microprocessor.
2. Reseat the DIMMs.
3. (Trained service technician only) Replace the system board.
9D 02
1. (Trained service technician only) Reseat the microprocessor.
2. Reseat the DIMMs.
3. (Trained service technician only) Replace the system board.
AB 21 Information only
AB-AC 21 (Trained service technician only) Replace the system board.
AB-AC 21
1. Reseat the failing adapter.
2. Replace the failing adapter.
3. (Trained service technician only) Replace the system board.
AB-AC 21
1. Reseat the failing adapter.
2. Replace the failing adapter.
3. (Trained service technician only) Replace the system board.
AB-AC 21
1. Check the operator information panel and light path
2. Test the system with the minimum supported configuration
3. (Trained service technician only) Replace the system board.
AB-AC 21
1. Reseat the failing adapter.
2. Replace the failing adapter.
3. (Trained service technician only) Replace the system board.
AB-AC 21 (Trained service technician only) Replace the system board.
AB-AC 21
1. Reseat the failing DIMM.
2. (Trained service technician only) Reseat the microprocessor.
3. (Trained service technician only) Replace the microprocessor.
AB-AC 21
1. (Trained service technician only) Reseat the microprocessor.
2. (Trained service technician only) Replace the microprocessor.
airflow.
recommended range.
diagnostics LEDs.
before replacing parts.