Dell PowerVault NX3600 Owner's Manual page 26

CAUTION: Label all the cables correctly before disconnecting any cables. Ensure that the cables are reconnected
to the same ports when installing the controller.
4. Disconnect all the cables connected to the back of the NAS appliance.
5. Remove the controllers from the NAS appliance.
6. Remove the NAS appliance from the rack.
7. Open the NAS appliance.
8. Open the cooling fan access door and remove the cooling fan installed in fan bay 1.
NOTE: The fan bay numbers are marked inside the cooling fan access door.
9. Disconnect the front LED status module cable from the midplane board.
10. Pull the blue release pin and slide the front LED status module away from the chassis.
Figure 16. Removing and Installing the Front LED Status Module
1. notch on NAS appliance chassis side wall
2. front LED status module
3. front LED status module cable connector
4. front LED status module connector on NAS appliance midplane board
5. guides on the chassis
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