Dasd Checkout; Bus Fault Messages - IBM xSeries 330 Hardware Maintenance Manual

Message
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

Message
Hard drive "X" removal detected
(level-critical; hard drive "X" has been
removed)

Bus fault messages

The System Event/Error Log may contain 12C bus fault messages from both the
Service Processor Diagnostic and the Advanced System Management processor,
indicated by the source DIAGS and SERVPROC, respectively. The format of the
DIAGS messages from revision TTY119 and later are as either:
12C Bus x bad or devices on this bus are functioning incorrectly.
or
12C Buses x,y,...,z bad or devices on this bus are functioning incorrectly.
where the numbers listed x,y,...,z represent any of the buses that are experiencing a
fault. The table below provides the appropriate actions to take for each bus
number listed.
Message
Failure reading I2C device. Check devices
on bus 0.
Failure reading I2C device. Check devices
on bus 1.
Failure reading I2C device. Check devices
on bus 2.
Failure reading I2C device. Check devices
on bus 3.
Failure reading I2C device. Check devices
on bus 4.
Action
1. Ensure system is being properly cooled, see "Temperature
checkout" on page 29.
2. Replace SCSI Backplane
1. Ambient temperature must be within normal operating
specifications, see "Features and specifications" on page 6.
2. Replace Front Panel Assembly
1. Ambient temperature must be within normal operating
specifications, see "Features and specifications" on page 6.
2. Replace System Board
Action
1. Information only, take action as appropriate.
Action
1. Replace system board
1. Front Panel
2. Replace system board
1. Replace DASD backplane
2. Replace system board
1. Replace system board
1. Replace DIMM
2. Replace system board
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Symptom-to-FRU index