Filter
Top Products
Message Action
Power Supply ″X″ fault
(level-critical; power supply ″X″ has been removed or has
encountered some other fault)
1. Check error log for other messages.
2. See “Power checkout” on page 20
Power Supply ″X″ overvoltage fault
(level-critical)
1. See “Power checkout” on page 20.
Power Supply ″X″ AC power removed, early power-off
warning
(level-critical; a power supply has been unplugged or has
been installed without an ac cord)
1. Check to see if ac cords are plugged in properly.
2. Problem may have been temporary ac problem. If
problem persists, see “Power checkout” on page 20
System running non-redundant power
(level-non-critical; system does not have redundant power)
1. Add another power supply
2. Remove options from system
3. System can continue to operate without redundancy
protection if 1 and 2 above are not followed.
System under recommended voltage for ″X″ v
(level-warning; indicated voltage supply under nominal
value; value for ″X″ can be +12, -12, or +5)
1. Check connections to power subsystem
2. Replace power supply
3. Replace power backplane
System under recommended voltage on 3.3 v
(level-warning; 3.3 volt supply under nominal value)
1. Check connections to power subsystem
2. Replace power supply
3. Replace power backplane
″X″ V bus fault
(level-critical; overcurrent condition on ″X″ voltage bus)
1. See “Power checkout” on page 20.
12V ″X″ bus fault
(level-critical; overcurrent condition on 12 volt ″X″ voltage
bus)
1. See “Power checkout” on page 20.
5V fault
(level-critical; overcurrent condition on 5 V subsystem)
1. See “Power checkout” on page 20.
System shutdown
Refer to the following tables when experiencing system shutdown related to voltage
or temperature problems.
Voltage related system shutdown
Message Action
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
120 IBM xSeries 350 Type 8682: Hardware Maintenance Manual