Temperature Related System Shutdown; Dasd Checkout; Host Built-In Self Test (Bist) - IBM Eserver xSeries 335 Type 8676 Hardware Maintenance Manual And Troubleshooting Manual

Temperature related system shutdown

Note: See "System" on page 116 to determine which components should be replaced by a field service technician.
Message
System shutoff due to board over
temperature (level-critical; board is over
temperature)
System shutoff due to CPU x over
temperature (level-critical; CPU x is over
temperature)
System shutoff due to CPU x under
temperature (level-critical; CPU x is under
temperature)
System shutoff due to DASD temperature
(sensor x) (level-critical; DASD area
reported temperature outside recommended
operating range)
System shutoff due to high ambient
temperature (level-critical; high ambient
temperature)
System shutoff due to system board
under temperature (level-critical; system
board is under temperature)

DASD checkout

Note: See "System" on page 116 to determine which components should be replaced by a field service technician.
Message
Hard drive x removal detected
(level-critical; hard drive x has been
removed)

Host built-in self test (BIST)

Note: See "System" on page 116 to determine which components should be replaced by a field service technician.
Message
Host fail (level-informational; built-in
self-test for the host failed)
Action
1. Ensure that the system is being properly cooled; see "System
reliability considerations" on page 39".
2. Replace board.
1. Ensure that the system is being properly cooled; see "System
reliability considerations" on page 39.
2. Replace CPU x.
v Ambient temperature must be within normal operating
specifications; see "Features and specifications" on page 2.
v Ensure that the system is being properly cooled; see "System
reliability considerations" on page 39.
v Ambient temperature must be within normal operating
specifications; see "Features and specifications" on page 2.
v Ambient temperature must be within normal operating
specifications; see "Features and specifications" on page 2.
Action
v Information only, take action as appropriate.
Action
1. Reseat the microprocessor.
2. Reseat the VRM.
3. Replace the microprocessor CPU.
Chapter 6. Symptom-to-FRU index
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