HP DL785 HP ProLiant DL785 G5 and G6 Servers - Maintenance and Service Guide, - Page 40

Internally accessed hot-plug fans, reseat the hot-plug fan or refer to the troubleshooting

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2. Pull on the fan tray release bar, pull the fan housing unit straight out from the rear of the chassis until it stops, and tilt the tray down to expose the fan housing unit. 3. Insert your thumb and forefinger into the openings on the top of the fan and squeeze until the fan releases from the socket. 4. Pull the fan straight up and out of the chassis. IMPORTANT: Remove and replace only one fan at a time. If the system detects two fan failures, the server shuts down to avoid thermal damage. 5. Install a new hot-plug fan. CAUTION: To prevent server components from overheating, replace a fan within 20 seconds. Failure to observe this caution results in the server automatically shutting down to prevent an overtemperature condition. NOTE: The fan unit is keyed to fit into the fan housing in the correct orientation only. 6. Push the fan housing unit toward the front of the chassis until it clicks into place. 7. Check the Systems Insight Display LED that corresponds to the replaced fan unit. NOTE: It can take up to ten seconds after installation for the Systems Insight Display fan LED to turn off. If the front panel internal system health LED is not green after you install hot-plug fans, reseat the hot-plug fan or refer to the troubleshooting section. Internally accessed hot-plug fans To replace an internally accessed hot-plug fan: 1. Extend or remove the server from the rack ("Extending the server from the rack" (page 25) or "Removing the server from the rack" (page 26)). 2. Remove the access panel ("Removing the access panel" (page 27)). 3. Identify the failed fan by it the lit LED on the Systems Insight Display. 4. Insert thumb and forefinger into the openings on the top of the fan and squeeze until the fan releases from the socket. 40 Removal and replacement procedures

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2.
Pull on the fan tray release bar, pull the fan housing unit straight out from the rear of the
chassis until it stops, and tilt the tray down to expose the fan housing unit.
3.
Insert your thumb and forefinger into the openings on the top of the fan and squeeze until
the fan releases from the socket.
4.
Pull the fan straight up and out of the chassis.
IMPORTANT:
Remove and replace only one fan at a time. If the system detects two fan
failures, the server shuts down to avoid thermal damage.
5.
Install a new hot-plug fan.
CAUTION:
To prevent server components from overheating, replace a fan within 20 seconds.
Failure to observe this caution results in the server automatically shutting down to prevent
an overtemperature condition.
NOTE:
The fan unit is keyed to fit into the fan housing in the correct orientation only.
6.
Push the fan housing unit toward the front of the chassis until it clicks into place.
7.
Check the Systems Insight Display LED that corresponds to the replaced fan unit.
NOTE:
It can take up to ten seconds after installation for the Systems Insight Display fan
LED to turn off.
If the front panel internal system health LED is not green after you install hot-plug fans,
reseat the hot-plug fan or refer to the troubleshooting section.
Internally accessed hot-plug fans
To replace an internally accessed hot-plug fan:
1.
Extend or remove the server from the rack (
“Extending the server from the rack” (page 25)
or
“Removing the server from the rack” (page 26)
).
2.
Remove the access panel (
“Removing the access panel” (page 27)
).
3.
Identify the failed fan by it the lit LED on the Systems Insight Display.
4.
Insert thumb and forefinger into the openings on the top of the fan and squeeze until the
fan releases from the socket.
40
Removal and replacement procedures