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Maintaining the PTX10003 Fan Modules

Removing a Fan Module from the PTX10003

Before you remove a fan module from a PTX10003, ensure that you have taken the necessary precautions to prevent electrostatic discharge (ESD) damage (see Prevention of Electrostatic Discharge Damage).

Ensure that you have the following parts and tools available:

  • ESD grounding strap

  • Antistatic bag or an antistatic mat

  • Phillips (+) screwdriver, number 1

The fan modules in a PTX10003 are hot-removable and hot-insertable field-replaceable units (FRUs); you can remove and replace them without powering off the PTX10003 or disrupting routing functions.

CAUTION:

Before removing the fan module, ensure you have a replacement fan module at hand. After removing a failed fan module, you must install a new fan module as quickly as possible to prevent chassis overheating. The PTX10003 cooling system shuts down if a single fan tray is out of the chassis for more than 240 seconds. The cooling system shuts down immediately if you remove more than one fan tray from the chassis.

To remove a fan module from a PTX10003:

  1. Place the antistatic bag or the antistatic mat on a flat, stable surface.
  2. Wrap and fasten one end of the ESD wrist strap around your bare wrist, and connect the other end of the strap to the ESD point on the device.
  3. Using the Phillips screwdriver, loosen the locking screw (3 or 4 turns).
  4. Grasp the handle on the fan module and squeeze the outside of the handle to release the module.
    Warning:

    To avoid injury, do not touch the fan with your hands or any tools as you slide the fan module out of the chassis—the fan might still be spinning.

  5. Pull firmly to slide the fan module halfway out of the chassis.
  6. When the fan stops spinning, slide the fan module completely out of the chassis.
  7. Place the fan module in the antistatic bag or on the antistatic mat placed on a flat, stable surface. Refer to Figure 1.
    Figure 1: Removing a PTX10003 Fan ModuleRemoving a PTX10003 Fan Module
Note:

When a fan module is removed, the CLI message Fan/Blower is Absent is logged in the system log, and the system raises a major alarm.

Installing a Fan Module in the PTX10003

Before you install a fan module in a PTX10003, ensure that you have taken the necessary precautions to prevent electrostatic discharge (ESD) damage (see Prevention of Electrostatic Discharge Damage).

Ensure that you have the following parts and tools available:

  • ESD grounding strap

  • Phillips (+) screwdriver, number 1

The fan modules in a PTX10003 are hot-removable and hot-insertable field-replaceable units (FRUs); you can remove and replace them without powering off the PTX10003 or disrupting routing functions.

CAUTION:

Before removing the fan module, ensure you have a replacement fan module at hand. After removing a failed fan module, you must install a new fan module as quickly as possible to prevent chassis overheating. The PTX10003 cooling system shuts down if a single fan tray is out of the chassis for more than 240 seconds. The cooling system shuts down immediately if you remove more than one fan tray from the chassis.

To install a fan module in a PTX10003 (see Figure 2):

  1. To prevent damage to the equipment caused by static discharge, attach an electrostatic discharge (ESD) grounding strap to your bare wrist, and connect the strap to one of the ESD points on the chassis.
  2. Taking care not to touch the connectors, remove the fan module from its bag.
  3. Align the module with the open slot on the FRU end of the PTX10003 and slide it in until it is fully seated.
  4. Using the Phillips screwdriver, tighten the locking screw (3 or 4 turns). See Figure 2.
    Figure 2: Installing a PTX10003 Fan ModuleInstalling a PTX10003 Fan Module