Isolation Procedures - IBM Power Systems 7063-CR1 Service Manual

Table 3. Sensor information, event description, and service action for the 7063-CR1 (continued)
Sensor name (Sensor ID)
v PS1 Status (0xF3)
v PS2 Status (0xF4)
Watchdog (0xFF)

Isolation procedures

Use this information to isolate problems that might occur with your system.
Event description
v Predictive Failure
v Power Supply Input Out of Range
But Present
Power Supply Failure Detected
v Power Supply Input Lost or AC
DC
v Power Supply Input Lost Or Out
Of Range
v State Deasserted
v State Asserted
v Presence Detected
v Timer Expired
v Reserved1
v Reserved2
v Reserved3
v Reserved4
v Hard Reset
v Power Down
v Power Cycle
v Timer Interrupt
Service action
If the sensor name is PS1 Status,
replace PSU 1. If the sensor name is
PS2 Status, replace PSU 2. Go to
"7063-CR1 locations" on page 37 to
identify the physical location and
removal and replacement procedure.
An assert event immediately
followed by a deassert event
indicates that a power cycle of the
system occurred. No service action is
required. If there is no deassert event
immediately following the assert
event, replace the power supply. If
the sensor name is PS1 Status, replace
PSU 1. If the sensor name is PS2
Status, replace PSU 2. Go to
"7063-CR1 locations" on page 37 to
identify the physical location and
removal and replacement procedure.
v Ensure that ac power is supplied
to the rack.
v Ensure that the system power
cords are plugged tightly into both
the power supply and the rack
power distribution unit (PDU) for
both system power supplies.
No service action is required.
No service action is required.
Search for serviceable SEL events that
have a time stamp close to the time
stamp of this SEL event. If you found
a serviceable SEL event, perform the
service action that is indicated in this
table for the SEL event. If you cannot
boot the system to the Petitboot
menu, go to "Resolving a system
firmware boot failure" on page 5.
Beginning troubleshooting and problem analysis
27