Error Logging - IBM 7012 G Series Service Manual

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Error Logging

When a failure occurs on a fan or on a power supply, the system produces a logging report
for this event. The logging report can be viewed using errpt .
An errpt report about power and fan is the following:
LABEL:
Description:
Probable Causes:
Failure Causes:
RECOMMENDED ACTIONS: CHECK POWER
POWER STATUS REGISTER:
9005 0007
The Power/Keylock Status Register has the following format:
PKSR Layout
0..3
4.6 7 8 9 10..13 14 15 16......23
Power Interrupt and Fan Fault (G Series and J Series only)
Bits 0–3 values
0000
0001
0010
0011
0100
0101
0110
0111
1000
1001
D-26
Service Guide
EPOW_SUS
LOSS OF ELECTRICAL POWER
POWER SUBSYSTEM
INTERNAL POWER UNIT
POWER SUBSYSTEM
24..27 28..31
Power fault and fan fault decode (R Series only)
Cooling system operating in backup mode
Power system operating in backup mode
Action bits for rc.powerfail
Battery backup Status (not used)
Battery backup plug (not used)
Power up decode
Power up decode
Power interrupt and fan fault decode (G Series and J Series only)
Description
No Interrupt
Running on battery
Programmed Power Off
manual switch off
Remote power off
Over temperature level 1
Internal power supply failure
Power supply overload
Loss of Primary power (EPOW)
Fan 1 fault
Bit Numbering
Keylock position
Reserved for future use

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