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96 Hardware Maintenance Manual: xSeries 330
Fan error messages
System shutdown
Refer to the following tables when experiencing system shutdown related to voltage
or temperature problems.
Voltage related system shutdown
DASD 1 Over Temperature (level-critical;
sensor for DASD1 reported temperature
over recommended range)
1. Ensure system is being properly cooled; see “Temperature
checkout” on page 26.
Power Supply "X" Temperature Fault
(level-critical; power supply "x" had over
temperature condition)
1. Ensure system is being properly cooled; see “Temperature
checkout” on page 26.
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 “Temperature
checkout” on page 26.
2. Replace system board
System board is under recommended
temperature (level-warning; system board
is under recommended temperature)
1. Ambient temperature must be within normal operating
specifications; see “Features and specifications” on page 4.
System over temperature for CPU "X"
(level-warning; CPU "X" reporting over
temperature condition)
1. Ensure system is being properly cooled; see “Temperature
checkout” on page 26.
System under recommended CPU "X"
temperature (level-warning; system
reporting under temperature condition for
CPU "X")
1. Ambient temperature must be within normal operating
specifications; see “Features and specifications” on page 4.
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
1. Replace Fan "X"
Message Action
System shutoff due to "X" current over
max value (level-critical; system
drawing too much current on voltage "X"
bus)
1. See “Power checkout” on page 24.
System shutoff due to "X" current under
min. value (level-critical;
current on voltage bus "X" under minimum
value)
1. See “Power checkout” on page 24.
Message Action