Note:
See “System” on page 116 to determine which components should be replaced by a field service technician.
Message
Action
DASD under recommended temperature
(sensor
x
)
(level-warning; direct access
storage device bay
x
had under
temperature condition)
v
Ambient temperature must be within normal operating
specifications
; see “Features and specifications” on page 3.
DASD Over Temperature
(level-critical; sensor for DASD1 reported
temperature over recommended range)
v
Ensure system is being properly cooled
; see “System reliability
considerations” on page 41.
Power supply
x
Temperature Fault
(level-critical; power supply
x
had over
temperature condition)
1.
Ensure system is being properly cooled;
see “System reliability
considerations” on page 41.
2. Replace power supply
x
System board is over recommended
temperature
(level-warning; system board is over
recommended temperature)
1.
Ensure system is being properly cooled
; see “System reliability
considerations” on page 41.
2. Replace the system board.
System board is under recommended
temperature
(level-warning; system board is under
recommended temperature)
v
Ambient temperature must be within normal operating
specifications
; see “Features and specifications” on page 3.
System over temperature for CPU
x
(level-warning; CPU x reporting over
temperature condition)
v
Ensure system is being properly cooled;
see “System reliability
considerations” on page 41.
System under recommended CPU
x
temperature
(level-warning; system
reporting under temperature condition for
CPU x)
v
Ambient temperature must be within normal operating
specifications
; see “Features and specifications” on page 3.
Fan error messages
Note:
See “System” on page 116 to determine which components should be replaced by a field service technician.
Message
Action
Fan
x
failure
(level-critical; fan
x
had a
failure)
1.
Check connections to fan
x
.
2. Replace fan
x
.
Fan
x
fault
(level-critical; fan
x
beyond
recommended RPM range)
1.
Check connections to fan
x
.
2. Replace fan
x
.
Fan
x
outside recommended speed
action
v
Replace fan
x
.
Power error messages
Note:
See “System” on page 116 to determine which components should be replaced by a field service technician.
Message
Action
Power supply
x
current share fault
(level-critical; excessive current demand on
power supply
x
)
v
Replace power supply
x
.
108
xSeries 345 Type 8670: Hardware Maintenance Manual and Troubleshooting Guide
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