IBM 866631Y Hardware Maintenance Manual - Page 151

DASD checkout, Host Built-In Self Test (BIST) checkout, I2C bus fault messages

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Message Action System shutoff due to DASD temperature (sensor X) (level-critical; DASD area reported temperature outside recommended operating range) 1. Ensure system is being properly cooled, see "Temperature checkout" on page 20. System shutoff due to high ambient temperature (level-critical; high ambient temperature) 1. Ambient temperature must be within normal operating specifications(see "Features and specifications" on page 3. System shutoff due to system board under 1. Ambient temperature must be temperature (level-critical; system board is under within normal operating temperature) specifications(see "Features and specifications" on page 3. DASD checkout Message Hard drive (SCSI ID ″X″) removal detected (level-critical; hard drive ″X″ has been removed) Hard drive (SCSI ID ″X″) fault Action 1. Information only, take action as appropriate. 1. Replace hard drive (SCSI ID ″X″). Host Built-In Self Test (BIST) checkout Message Host BIST fail (level-informational; host's built-in self test failed) Action 1. Reseat CPU 2. Reseat VRM 3. Replace CPU I2C bus fault messages Message Action Failure reading I2C device. Check devices on 1. Replace I/O Legacy Board bus 0. Failure reading I2C device. Check devices on bus 1. 1. Reseat I/O Legacy Board 2. Reseat power supplies 3. Replace power supply 4. Replace Power Backplane 5. Replace I/O Legacy Board Failure reading I2C device. Check devices on bus 2. 1. Reseat front panel connector 2. Reseat diagnostics panel connector 3. Reseat I/O Legacy Board 4. Replace front panel 5. Replace diagnostics panel 6. Replace Power Backplane 7. Replace I/O Legacy Board Symptom-to-FRU index 141

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Message
Action
System shutoff due to DASD temperature
(sensor X)
(level-critical; DASD area reported
temperature outside recommended operating
range)
1.
Ensure system is being properly
cooled
, see “Temperature checkout”
on page 20.
System shutoff due to high ambient
temperature
(level-critical; high ambient
temperature)
1.
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)
1.
Ambient temperature must be
within normal operating
specifications
(see “Features and
specifications” on page 3.
DASD checkout
Message
Action
Hard drive (SCSI ID
″
X
″
) removal detected
(level-critical; hard drive
″
X
″
has been
removed)
1.
Information only, take action as
appropriate.
Hard drive (SCSI ID
″
X
″
) fault
1.
Replace hard drive (SCSI ID
″
X
″
).
Host Built-In Self Test (BIST) checkout
Message
Action
Host BIST fail
(level-informational; host’s
built-in self test failed)
1.
Reseat CPU
2.
Reseat VRM
3.
Replace CPU
I2C bus fault messages
Message
Action
Failure reading I2C device. Check devices on
bus 0.
1.
Replace I/O Legacy Board
Failure reading I2C device. Check devices on
bus 1.
1.
Reseat I/O Legacy Board
2.
Reseat power supplies
3.
Replace power supply
4.
Replace Power Backplane
5.
Replace I/O Legacy Board
Failure reading I2C device. Check devices on
bus 2.
1.
Reseat front panel connector
2.
Reseat diagnostics panel connector
3.
Reseat I/O Legacy Board
4.
Replace front panel
5.
Replace diagnostics panel
6.
Replace Power Backplane
7.
Replace I/O Legacy Board
Symptom-to-FRU index
141