IBM 866631Y Hardware Maintenance Manual - Page 150

System shutdown, Power related system shutdown

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Message Action 12V ″X″ bus fault (level-critical; overcurrent condition on 12 volt ″X″ voltage bus) 1. See"Power checkout" on page 19. 5V fault (level-critical; overcurrent condition on 1. See"Power checkout" on page 19. 5 V subsystem) 240 VA bus fault (level-critical; overcurrent or 1. See "Power checkout" on page 19. overvoltage condition in power subsystem) System shutdown Refer to the following tables when experiencing system shutdown related to voltage or temperature problems. Power related system shutdown Message System powered off due to ″X″ current over max value (level-critical; system drawing too much current on voltage ″X″ bus) System shutoff due to ″X″ current under min value (level-critical; current on voltage bus ″X″ under minimum value) System shutoff due to ″X″ V over voltage (level-critical; system shutoff due to ″X″ supply over voltage) System shutoff due to ″X″ V under voltage (level-critical system shutoff due to ″X″ supply under voltage) System powered off due to faults on each power supply. Action 1. See "Power checkout" on page 19. 1. See "Power checkout" on page 19. 1. Check power supply connectors 2. Replace power supply 3. Replace power backplane 1. Check power supply connectors 2. Replace power supply 3. Replace power backplane 1. See "Power checkout" on page 19. Temperature related system shutdown Message System shutoff due to board over temperature (level-critical; processor board is over temperature) System shutoff due to CPU ″X″ over temperature (level-critical; CPU ″X″ is over temperature) System shutoff due to CPU ″X″ under temperature (level-critical; CPU ″X″ is under temperature) Action 1. Ensure system is being properly cooled, see "Temperature checkout" on page 20. 2. Replace processor board 1. Ensure system is being properly cooled, see "Temperature checkout" on page 20. 2. Replace CPU ″X″ 1. Ambient temperature must be within normal operating specifications(see "Features and specifications" on page 3. 2. 140 Hardware Maintenance Manual: Netfinity 7100 - Type 8666

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Message
Action
12V
″
X
″
bus fault
(level-critical; overcurrent
condition on 12 volt
″
X
″
voltage bus)
1.
See
“Power checkout” on page 19
.
5V fault
(level-critical; overcurrent condition on
5 V subsystem)
1.
See
“Power checkout” on page 19
.
240 VA bus fault
(level-critical; overcurrent or
overvoltage condition in power subsystem)
1.
See “Power checkout” on page 19.
System shutdown
Refer to the following tables when experiencing system shutdown related to
voltage or temperature problems.
Power related system shutdown
Message
Action
System powered off due to
″
X
″
current over
max value
(level-critical; system drawing too
much current on voltage
″
X
″
bus)
1.
See “Power checkout” on page 19.
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 19.
System shutoff due to
″
X
″
V over voltage
(level-critical; system shutoff due to
″
X
″
supply
over voltage)
1.
Check power supply connectors
2.
Replace power supply
3.
Replace power backplane
System shutoff due to
″
X
″
V under voltage
(level-critical system shutoff due to
″
X
″
supply
under voltage)
1.
Check power supply connectors
2.
Replace power supply
3.
Replace power backplane
System powered off due to faults on each
power supply.
1.
See “Power checkout” on page 19.
Temperature related system shutdown
Message
Action
System shutoff due to board over temperature
(level-critical; processor board is over
temperature)
1.
Ensure system is being properly
cooled
, see “Temperature checkout”
on page 20.
2.
Replace processor 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 20.
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.
140
Hardware Maintenance Manual: Netfinity 7100 – Type 8666