Temperature error messagesNote: See “System replaceable units” on page 117to determine which components should be replaced by a field
service technician.
Message Action
DASD Over Temperature
(level-critical; direct access storage device
bay xwas over temperature)
vEnsure that the system is being properly cooled; see “System
reliability considerations” on page 23.
DASD Over recommended Temperature
(sensor x)
(level-warning; DASD bay xhad over
temperature condition)
vEnsure that the system is being properly cooled; see “System
reliability considerations” on page 23.
DASD under recommended temperature
(sensor x)(level-warning; direct access
storage device bay xhad under
temperature condition)
vAmbient 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)
vEnsure that the system is being properly cooled; see “System
reliability considerations” on page 23.
Power supply xTemperatureFault
(level-critical; power supply xhad over
temperature condition)
1. Ensure system is being properly cooled; see “System reliability
considerations” on page 23.
2. 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 23.
2. System board.
System board is under recommended
temperature
(level-warning; system board is under
recommended temperature)
vAmbient 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)
vEnsure system is being properly cooled; see “System reliability
considerations” on page 23.
System under recommended CPU x
temperature (level-warning; system
reporting under temperature condition for
CPU x)
vAmbient temperature must be within normal operating
specifications; see “Features and specifications” on page 3.
Fan error messagesNote: See “System replaceable units” on page 117to determine which components should be replaced by a field
service technician.
Message Action
Fan xfailure (level-critical; fan xhad a
failure) 1. Check connections to fan x.
2. Replace fan x.
Fan xfault (level-critical; fan xbeyond
recommended RPM range) 1. Check connections to fan x.
2. Replace fan x.
Fan xoutside recommended speed
action
vReplace fan x.
Chapter6. Symptom-to-FRU index 109