Note:
See “System” on page 110 to determine which components should be replaced by a field service technician.
Message
Action
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 38.
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 110 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 110 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.
Bus fault messages
Note:
See “System” on page 110 to determine which components should be replaced by a field service technician.
Bus fault messages
Message Action
Failure reading 12C device.
Check
devices on bus 0.
1.
If installed, reseat the I2C cable between Remote Supervisor
Adapter (in PCI slot 1/J14) and the remote supervisor adapter
connector on the PCI riser card.
2. Memory DIMMs.
3. System board.
Failure reading 12C device.
Check
devices on bus 1.
1.
Reseat the I2C cable between the operator information panel
and system board (J22).
2. Operator information panel.
3. System board.
Chapter 6. Symptom-to-FRU index
105
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