IBM 8647 - Eserver xSeries 225, Maintenance And Troubleshooting Manual

Page: 129 / 182

Note: See “System replaceable units” on page 124 to determine which components should be replaced by a field
service technician.
Message Action
System shutoff due to CPU x under
temperature (level-critical; CPU x is under
temperature)
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)
Ensure that the system is being properly cooled; see “System
reliability considerations” on page 37
System shutoff due to high ambient
temperature
(level-critical; high ambient temperature)
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)
Ambient temperature must be within normal operating specifications;
see “Features and specifications” on page 3
DASD checkout
Note: See “System replaceable units” on page 124 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)
Information only; take action as appropriate.
Host built-in self test (BIST)
Note: See “System replaceable units” on page 124 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. Replace the microprocessor.
Bus fault messages
Note: See “System replaceable units” on page 124 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 system board.
2. Memory DIMMs.
3. System board.
Chapter 6. Symptom-to-FRU index
119