IBM x 340 Series, Hardware Maintenance Manual

Page: 137 / 188

Symptom-to-FRU index
129
Temperature related system shutdown
DASD checkout
Host Built-In Self Test (BIST)
System shutoff due to VRM "X" over
voltage 1. Replace power supply
2. Replace power supply backplane
Message Action
System shutoff due to board over
temperature
(level-critical; board
is over temperature)
1. Ensure system is being properly cooled , see “Temperature
checkout” on page 28.
2. Replace board
System shutoff due to CPU "X" over
temperature
(level-critical; CPU "X" is
over temperature)
1. Ensure system is being properly cooled , see “Temperature
checkout” on page 28.
2. Replace CPU "X"
System shutoff due to CPU "X" under
temperature
(level-critical; CPU "X" is
under temperature)
1. Ambient temperature must be within normal operating
specifications,
see “Features and specifications” on page 3.
2.
System shutoff due to DASD temperature
(sensor X)
(level-critical;
DASD area reported temperature outside
recommended operating range)
1. Ensure system is being properly cooled , see “Temperature
checkout” on page 28.
System shutoff due to high ambient
temperature
(level-critical; high ambient
temperature)
1. Ambient temperature must be within normal operating
specifications
, see “Features and specifications” on page 3.
System shutoff due to system board under
temperature
(level-critical; system
board is under temperature)
1. Ambient temperature must be within normal operating
specifications
, see “Features and specifications” on page 3.
Message Action
Hard drive "X" removal detected
(level-critical; hard drive "X" has been
removed)
1. Information only, take action as appropriate.
Message Action
Host fail (level-informational; host’s built-
in self test failed)
1. Reseat CPU
2. Reseat VRM
3. Replace CPU
Message Action