IBM 7163, Problem Determination And Service Manual

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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, System x3755 Type 8877 and 7163,” on page 25 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
Sensor
number Sensor
type
Action
Power supply 1 max load
Assertion Event
Event data 01 FF FF
4F 0A Information only
Required fan not detected
Assertion Event
Event data 02 FF FF
4F 0A
1. Verify that all required fans are installed.
2. Reseat the fans.
3. Replace the defective fan.
Non-redundant error
Assertion Event
Event data 04 FF FF
4F 0A
1. Verify that ac power is applied to each power supply.
2. Verify that the dc power LED is lit on each power supply.
3. Apply 220 V ac to each power supply.
Power supply power
overspec
Assertion Event
Event data 08 FF FF
4F 0A
1. Install a second power supply.
2. Apply 220 V ac to the power supplies.
3. Verify that the dc power LED is lit on each power supply.
4. If two power supplies are installed, replace the failing power
supply.
Fan 1 detected
Assertion 00 (Not
detected)
50 04 Replace or install the fan.
Fan 1 detected
Assertion 01 (Presence
detected)
50 04 Information only
Fan 2 detected
Assertion 00 (Not
detected)
51 04 Replace or install the fan.
Fan 2 detected
Assertion 01 (Presence
detected)
51 04 Information only
Fan 3 detected
Assertion 00 (Not
detected)
52 04 Replace or install the fan.
Fan 3 detected
Assertion 01 (Presence
detected)
52 04 Information only
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IBM System x3755 Type 8877 and 7163: Problem Determination and Service Guide