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Note: See Chapter 7, "Parts listing, Types 8861, 8862," on page 139 to determine which components are
replaceable by the customer and which components must be replaced by an IBM field service technician.
Service Processor message
System is over recommended voltage for
1.8V CPU
System is over recommended voltage on
VRM X
System is under recommended voltage for
1.8V CPU
System is under recommended voltage on
VRM X
System log 75%% full
System Memory Error
System over recommended ambient
temperature
System over recommended voltage for +12v
System over recommended voltage for +5v
System over recommended voltage on +2.5v
System over recommended voltage on +3.3v
System over temperature for CPU X
System Power Good Fault
System Running Nonredundant Power
System shutoff due to +1.5v over voltage
114
IBM xSeries 365 Types 8861, 8862: Hardware Maintenance Manual and Troubleshooting Guide
FRU/action
1. Check light path and replace failing component.
2. VRM 3 or 4.
3. Microprocessor x.
1. VRM 3 or 4
2. Microprocessor tray assembly
1. Check light path and replace failing component.
2. VRM 3 or 4.
3. Microprocessor x.
1. VRM 3 or 4
2. Microprocessor tray assembly
v Information only
1. Reseat memory card and DIMMs.
2. Replace memory.
1. Check all fans and remove any obstacles from the path of
airflow.
2. Verify room temperature is within recommended range.
1. Power supply
2. Power backplane
1. Power supply
2. Power backplane
3. I/O board assembly
v Microprocessor tray assembly
v I/O board assembly
1. Check all fans and remove any obstacles from the path of
airflow.
2.
Verify room temperature is within recommended range.
3. Verify the microprocessor heat sinks are properly seated.
v Reseat/replace VRMs 3 and 4.
1. Insert another power supply (if possible) and verify ac
cord connections.
2.
Remove devices consuming extraordinary power from the
system.
3.
Replace power backplane.
1. Check light path and replace failing component.
2. VRM 3 or 4.
3. Microprocessor x.
4. Microprocessor tray assembly.
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