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
Planar 12V 18 02
1. Reseat the power supplies.
2. Replace the power supplies.
3. (Trained service technician only) Replace the I/O board, see
“Removing the I/O board assembly” on page 68 and
“Replacing the I/O board assembly” on page 69.
Planar VBAT 1C 02
1. Replace the battery. See “Removing the battery” on page 53
and “Replacing the battery” on page 54.
2. (Trained service technician only) Replace the I/O board, see
“Removing the I/O board assembly” on page 68 and
“Replacing the I/O board assembly” on page 69.
Not redundant 1E 08
1. Install another power supply (if possible) and make sure that
the ac power cords are connected to properly grounded
electrical outlets.
2. Remove devices that consume an extraordinary amount of
power.
3. (Trained service technician only) Replace the I/O board, see
“Removing the I/O board assembly” on page 68 and
“Replacing the I/O board assembly” on page 69.
3V fault 20 02 (Trained service technician only) Replace the I/O board, see
“Removing the I/O board assembly” on page 68 and “Replacing
the I/O board assembly” on page 69.
5V fault 21 02 (Trained service technician only) Replace the I/O board, see
“Removing the I/O board assembly” on page 68 and “Replacing
the I/O board assembly” on page 69.
12V 22 02
1. Reseat the power supplies.
2. Replace the power supplies.
3. (Trained service technician only) Replace the I/O board, see
“Removing the I/O board assembly” on page 68 and
“Replacing the I/O board assembly” on page 69.
VRD 1 status
Assertion 00 (Presence
detected)
24 08 Information only
VRD 1 status
Assertion 01 (Power unit
failure)
24 08
1. Reseat the microprocessor/memory card. See “Removing a
microprocessor/memory card” on page 51 and “Replacing a
microprocessor/memory card” on page 51.
2. Reseat the microprocessor and heat sink.
3. Replace the microprocessor/memory card. See “Removing a
microprocessor/memory card” on page 51 and “Replacing a
microprocessor/memory card” on page 51.
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IBM System x3755 Type 8877 and 7163: Problem Determination and Service Guide