
The switch continues to operate when there is one failed fan module. If one fan
module fails, the switch sends an error message. If a second fan module fails, the
switch sends an error message, writes a failure log to flash memory, and shuts
down.
Each fan module has a green LED that is visible from the rear panel. The LED
shows the status of the fan module, as follows:
Table 17. Fan LED states
LED state
Description
Lit
Fans are operational.
Off
Fan unit has no power.
Flashes
Fan speed has failed. Replace the fan
module.
Removing the fan module
To remove the fan module, complete the following steps:
1. Loosen the retainer screw.
2. Grasp the extractor handle and gently pull the fan module from the slot.
Thumbscrew
Attention:
If inlet air temperature exceeds 35
⁰
C (95
⁰
F), replace the fan
module within 5 minutes to avoid overheating the switch.
Replacing the fan module
To replace a fan module, complete the following steps:
1. Loosen the retainer screws and slide the failed fan module out of the slot.
2. Remove the fan module from the antistatic shielded bag.
3. Slide the fan module into the open slot and gently push it all the way into the
slot, so that it firmly engages with the connector (see the illustration). Each fan
module has a mechanical guide key to prevent you from inserting the module
incorrectly.
38
IBM System Networking RackSwitch G8332: Installation Guide
Содержание RackSwitch G8332
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