Temperature related system shutdown
Note:
See “System” on page 116 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 39
″
.
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 39.
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 2.
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 39.
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 2.
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 2.
DASD checkout
Note:
See “System” on page 116 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 116 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.
Chapter 6. Symptom-to-FRU index
111
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