Power error messages
Note: See “System replaceable units” on page 117to determine which components should be replaced by a field
service technician.
Message Action
Power supply x current share fault
(level-critical; excessive current demand on
power supply x)
vReplace power supply x.
Power supply xDC good fault
(level-critical; power good signal not detected
for power supply x)
vReplace power supply x.
Power supply xtemperature fault vReplace power supply x.
Power supply xremoved vNo action required – information only.
Power supply xfan fault (level-critical; fan
fault in power supply x)
vReplace power supply x.
Power supply x12 V fault (level-critical;
overcurrent condition detected)
vSee “Power checkout” on page 22.
Power supply x3.3 V fault (level-critical;
3.3 V power supply xhad an error)
vSee “Power checkout” on page 22.
Power supply x5 V fault (level-critical; 5 V
power supply xhad an error)
vSee “Power checkout” on page 22.
System running non-redundant power
(level-noncritical; 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
steps1 and 2 are not followed.
System under recommended voltage for x
(level-warning; indicated voltage supply
under nominal value; value for xcan be +12,
-12, or +5)
1. Check connections to the power subsystem.
2. Power supply.
3. Power cage assembly,if installed.
System shutdown

See the following tables when experiencing system shutdown related to voltage or

temperature problems.

Voltage-related system shutdown
Note: See “System replaceable units” on page 117to determine which components should be replaced by a field
service technician.
Message Action
System shutoff due to xcurrent over
max value (level-critical; system drawing
too much current on voltage xbus)
vSee “Power checkout” on page 22.
System shutoff due to xV over voltage
(level-critical; system shutoff due to x
supply over voltage)
1. Check the power-supply connectors.
2. Power supply.
3. Power cage assembly,if installed.
110 IntelliStation Z Pro Types 6223 and 6227: Hardware Maintenance Manual and Troubleshooting Guide