IBM x3655 - System - 7985 Service Manual page 187

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," on page 97 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
Fan 6 tach
Power supply
configuration error
Fan 1 detected
Assertion 00 (Not
detected)
Fan 1 detected
Assertion 01 (Presence
detected)
Fan 2 detected
Assertion 00 (Not
detected)
Fan 2 detected
Assertion 01 (Presence
detected)
Fan 3 detected
Assertion 00 (Not
detected)
Fan 3 detected
Assertion 01 (Presence
detected)
Fan 4 detected
Assertion 00 (Not
detected)
Fan 4 detected
Assertion 01 (Presence
detected)
Fan 5 detected
Assertion 00 (Not
detected)
Fan 5 detected
Assertion 01 (Presence
detected)
Sensor Sensor
number type Action
45 04
1. Reseat fan 6.
2. Replace fan 6.
3. (Trained service technician only) Replace the system board.
4F 0A Make sure that the power supplies are installed in the correct
order and that the power supplies are operating properly.
50 04 Replace or install the fan.
50 04 Information only
51 04 Replace or install the fan.
51 04 Information only
52 04 Replace or install the fan.
52 04 Information only
53 04 Replace or install the fan.
53 04 Information only
54 04 Replace or install the fan.
54 04 Information only
169
Chapter 5. Diagnostics