Temperature Error Messages; Fan Error Messages - IBM 84885BU Maintenance And Troubleshooting Manual

Temperature error messages

Note: See "System replaceable units" on page 131 to determine which components should be replaced by a field
service technician.
Message
DASD Over Temperature
(level-critical; direct access storage device
bay x was over temperature)
DASD Over recommended Temperature
(sensor x)
(level-warning; DASD bay x had over
temperature condition)
DASD under recommended temperature
(sensor x) (level-warning; direct access
storage device bay x had under
temperature condition)
DASD Over Temperature
(level-critical; sensor for DASD1 reported
temperature over recommended range)
Power supply x Temperature Fault
(level-critical; power supply x had over
temperature condition)
System board is over recommended
temperature
(level-warning; system board is over
recommended temperature)
System board is under recommended
temperature
(level-warning; system board is under
recommended temperature)
System over temperature for CPU x
(level-warning; CPU x reporting over
temperature condition)
System under recommended CPU x
temperature (level-warning; system
reporting under temperature condition for
CPU x)

Fan error messages

Note: See "System replaceable units" on page 131 to determine which components should be replaced by a field
service technician.
Message
Fan x failure (level-critical; fan x had a
failure)
Fan x fault (level-critical; fan x beyond
recommended RPM range)
Fan x outside recommended speed
action
Action
v Ensure that the system is being properly cooled; see "System
reliability guidelines" on page 25.
v Ensure that the system is being properly cooled; see "System
reliability guidelines" on page 25.
v Ambient temperature must be within normal operating
specifications; see "Features and specifications" on page 3.
v Ensure that the system is being properly cooled; see "System
reliability guidelines" on page 25.
1. Ensure system is being properly cooled; see "System reliability
guidelines" on page 25.
2. Power supply x.
1. Ensure system is being properly cooled; see "System reliability
guidelines" on page 25.
2. System board.
v Ambient temperature must be within normal operating
specifications; see "Features and specifications" on page 3.
v Ensure system is being properly cooled; see "System reliability
guidelines" on page 25.
v Ambient temperature must be within normal operating
specifications; see "Features and specifications" on page 3.
Action
1. Check connections to fan x.
2. Replace fan x.
1. Check connections to fan x.
2. Replace fan x.
v Replace fan x.
Chapter 6. Symptom-to-FRU index
123