IBM 7985 Problem Determination And Service Manual page 95

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
System power monitor
Assertion 06 (Power unit
failure detected)
Watchdog
Planar 3.3V
Planar 5V
Planar 12V
Planar VBAT
Not redundant
3V fault
5V fault
12V
VRD 1 status
Assertion 00 (Presence
detected)
VRD 1 status
Assertion 01 (Power unit
failure)
VRD 2 status
Assertion 00 (Presence
detected)
VRD 2 status
Assertion 01 (Power unit
failure)
Sensor Sensor
number type Action
01 09
1. Check the primary voltages to the power supply.
2. Replace the power supply.
3. (Trained service technician only) Replace the system board.
03 23 Information only
16 02 (Trained service technician only) Replace the system board.
17 02 (Trained service technician only) Replace the system board.
18 02
1. Reseat the power supplies.
2. Replace the power supplies.
3. (Trained service technician only) Replace the system board.
1C 02
1. Replace the battery.
2. (Trained service technician only) Replace the system board.
1E 08
1. Install another power supply (if possible) and make sure that
2. Remove devices that consume an extraordinary amount of
3. (Trained service technician only) Replace the system board.
20 02 (Trained service technician only) Replace the system board.
21 02 (Trained service technician only) Replace the system board.
22 02
1. Reseat the power supplies.
2. Replace the power supplies.
3. (Trained service technician only) Replace the system board.
24 08 Information only
24 08
1. (Trained service technician only) Reseat the microprocessor.
2. (Trained service technician only) Replace the microprocessor.
25 08 Information only
25 08
1. (Trained service technician only) Reseat the microprocessor.
2. (Trained service technician) Replace the microprocessor.
the ac power cords are connected to properly grounded
electrical outlets.
power.
77
Chapter 3. Diagnostics