Fan Failure
If one or more fans fail on the fan-tray assembly, replace the entire assembly. You cannot replace individual
fans. The FAN-DEGRADE alarm is raised when one fan fails and the Fan Fail LED in the LCD unit glows
with amber color. The FAN-FAIL alarm is raised when two or more fans fail and the Fan Fail LED glows
with red color. The Fan Fail LED clears after you install a working fan-tray.
NTP-L54 Installing Fan-Tray Assembly in NCS 2015 Shelf
This procedure installs the NCS2015-FTA fan-tray
assembly in the NCS 2015 system.
Purpose
Small slot-head screwdriverTools/Equipment
•
NTP-L48 Mounting Brackets on NCS 2015
Shelf for ANSI Rack Configuration, on page
303.
•
Connect the chassis to the office ground. For
detailed instructions on how to ground the
chassis, refer to the Electrostatic Discharge and
Grounding Guide for Cisco NCS 2000 Series .
Prerequisite Procedures
RequiredRequired/As Needed
OnsiteOnsite/Remote
NoneSecurity Level
Do not operate an NCS 2015 chassis without the fan tray for more than two minutes.Caution
Do not reach into a vacant slot when installing or removing the fan tray. Exposed circuitry is an
energy hazard. Statement 206
Warning
When the fan tray is removed, shock hazard is possible. Do not introduce any object into the fan tray slot
nor touch the empty slot. Install the fan tray immediately.
Caution
Cisco NCS 2000 Series Hardware Installation Guide
393
Installing the Cisco NCS 2015 Door and Other Modules
Fan Failure
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