IBM 84885BU, Maintenance And Troubleshooting Manual

Page: 133 / 200

Temperature error messages
Note: See “System replaceable units” on page 131 to determine which components should be replaced by a field
service technician.
Message Action
DASD Over Temperature
(level-critical; direct access storage device
bay x was over temperature)
v
Ensure that the system is being properly cooled; see “System
reliability guidelines” on page 25.
DASD Over recommended Temperature
(sensor x )
(level-warning; DASD bay x had over
temperature condition)
v
Ensure that the system is being properly cooled; see “System
reliability guidelines” on page 25.
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 that the system is being properly cooled; see “System
reliability guidelines” on page 25.
Power supply x Temperature Fault
(level-critical; power supply x had over
temperature condition)
1. Ensure system is being properly cooled; see “System reliability
guidelines” on page 25.
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
guidelines” on page 25.
2. 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
guidelines” on page 25.
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 replaceable units” on page 131 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 .
Chapter 6. Symptom-to-FRU index
123