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Document ID: MCGN-46BRXC

Netfinity EXP15 - Replacing fans (Hot Swap)

Applicable to: World-Wide

Source: Hardware Maintenance Manual

To Remove Cooling Fans:
1. Check the LEDs on the back of the expansion unit.
2. Slide the latch left or right to unlock the fan.
3. Use the handle (black knob) to pull the fan from the expansion unit.
4. Install the new fan by inserting it into the expansion slot and making sure it is seated into the mid plane connector. Slide the latch into the middle position.
5. Check the LEDs. If the fault LEDs do not turn off after a few seconds, refer to "Symptom-to-FRU Index".

Note The Fan units are hot swap redundant; however, when one fan fails, the failing fan unit needs to be replaced within 48 hours in order to maintain redundancy and optimum cooling. When replacing the failed fan unit, insure that this replacement is performed in less than 10 minutes to prevent any overheating. If it takes longer than 10 minutes to replace the fan unit, you must shut down the expansion unit to keep the unit from overheating.

For information on expansion unit shutdown, see "Performing a Shutdown".

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	Document Category	Diagrams
	Date Created	25-03-99
	Last Updated	21-05-99
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	Brand	IBM PC Server
	Product Family	Rack/Storage Enclosures
	Machine Type	3520
	Model	ALL
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