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System Fan Failure
Replacement Procedure
007-6307-001
Fan speed is controlled by system temperature via a BIOS setting. If a fan fails, the remaining fan
will ramp up to full speed and the Universal Information LED on the control panel will so indicate
(see
"Universal Information LED" on page
convenience with the same type and model. The system can continue to run with a failed fan.
Use the following procedure to replace a fan:
1.
Remove the top chassis cover while the system is still running to determine which of the
fans has failed.
2. Power down the system.
Removing the power cords is also recommended as a safety precaution.
3. Unplug the fan cable from the motherboard and remove the failed blower fan from the
chassis.
4. Replace the failed fan with an identical 4-cm, 12-volt fan.
5. Push the new fan into the vacant space in the housing while making sure the arrows on the
top of the fan (indicating air direction) point in the same direction as the arrows on the other
fans.
6. Reposition the fan housing back over the two mounting posts in the chassis.
7. Reconnect the fan wires to the chassis fan headers from which you removed them.
8. Power up the system and check that the fan is working properly.
The Universal Information LED on the control panel should no longer indicate a fan failure.
9. Replace the chassis cover.
24). Replace any failed fan at your earliest
Replacing System Fans
37
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