IBM 8671 - Eserver xSeries 235, Maintenance And Troubleshooting Manual

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Temperature related system shutdown
Note: See “System” on page 162 to determine which components should be replaced by a field service technician.
Message Action
System shutoff due to board over
temperature
(level-critical; board is over temperature)
1. Ensure that the system is being properly cooled ; see “System
reliability considerations” on page 45
″
.
2. Replace board.
System shutoff due to CPU x over
temperature (level-critical; CPU x is over
temperature)
1. Ensure that the system is being properly cooled ; see “System
reliability considerations” on page 45.
2. Replace CPU x .
System shutoff due to CPU x under
temperature (level-critical; CPU x is under
temperature)
v
Ambient temperature must be within normal operating
specifications ; see “Features and specifications” on page 3.
System shutoff due to DASD temperature
(sensor x ) (level-critical; DASD area
reported temperature outside recommended
operating range)
v
Ensure that the system is being properly cooled ; see “System
reliability considerations” on page 45.
System shutoff due to high ambient
temperature
(level-critical; high ambient temperature)
v Ambient temperature must be within normal operating
specifications ; see “Features and specifications” on page 3.
System shutoff due to system board
under temperature
(level-critical; system board is under
temperature)
v
Ambient temperature must be within normal operating
specifications ; see “Features and specifications” on page 3.
DASD checkout
Note: See “System” on page 162 to determine which components should be replaced by a field service technician.
Message Action
Hard drive x removal detected
(level-critical; hard drive x has been
removed)
v
Information only, take action as appropriate.
Host built-in self test (BIST)
Note: See “System” on page 162 to determine which components should be replaced by a field service technician.
Message Action
Host fail
(level-informational; built-in self-test for the
host failed)
1. Reseat the microprocessor.
2. Reseat the VRM.
3. Replace the microprocessor CPU.
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xSeries 235 Type 8671: Hardware Maintenance Manual and Troubleshooting Guide