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Chapter 10 Solving Problems
System Cooling Fans Do Not Rotate Properly
If the system cooling fans are not operating properly, system components
will be damaged.
✏
Note
The system has up to seven cooling fansthree of them are
integral parts of the power supplies. There are no
serviceable components in the power supply. If the power
supply is opened, the warranty is voided.
Check the following:
❑
Is AC power available at the wall outlets?
❑
Are the system power cords properly connected to the system and the
wall outlets?
❑
If present, are the fuses in the system AC power cord plugs okay?
❑
Did you press the power button?
❑
Is the power-on light lit?
❑
Have any of the fan motors stopped (use the server management
subsystem to check the fan status)?
❑
Are the fan power connectors properly connected to the system board?
❑
Is the cable from the front panel board connected to the system board?
❑
Are the power supply cables properly connected to the power share
backplane?
❑
Are the power share backplane cables properly connected to the system
board?
❑
Are there any shorted wires caused by pinched cables or power
connector plugs forced into power connector sockets the wrong way?
If the switches and connections are correct and AC power is available at the
wall outlets, contact your service representative or authorized dealer for
assistance.