Replacing a Power Module (for OceanStor 6800 V5 or 6800F V5)

Prerequisites

• The spare part is on hand.
• The power module that you want to replace has been located.

You can locate a component in either of the following ways:

• Locating a component based on alarms in DeviceManager: On the Alarms and Events page of DeviceManager, view the help information and determine the ID of the component to be replaced. Then locate the component at your site based on its ID.
• Locating a component based on the status of its Running/Alarm indicator: For details about the indicators on different components, see "Indicator Introduction" of each component in the Product Description specific to your product model and version.

• Before replacing a power module, ensure that the other power module is working properly.
• Check whether connectors of other power modules are securely inserted. Otherwise, connectors of other power modules may become loose during replacement and may be powered off unexpectedly.

Precautions

• Do not touch the connectors of a power module and a power cable.
• Remove and insert a power module with even force. Excessive force may damage the appearance of the power module or cause faults.
• Remove only one power module at a time.
• A power module must be replaced within three minutes. Otherwise, the system heat dissipation is compromised.

Tools and Materials

• ESD wrist strap
• ESD bag
• Labels
• Phillips screwdriver

Procedure

1. Perform a pre-replacement check.
   Check whether there is a redundant power module and whether the Running/Alarm indicator of the redundant power module is steady green, as shown in Figure 7-59 or Figure 7-60. For details about the indicators on different components, see "Indicator Introduction" in the Product Description of the corresponding model.

   Figure 7-59 Running/Alarm indicator on a power module
   

   Figure 7-60 (Optional) Running/Alarm indicator on a power module
   

   You can perform replacement only when a redundant power module exists and the redundant power module is working properly.

2. Wear an ESD wrist strap.
3. Remove the power cable.
   1. Remove the velcro strap that secures the power cable, as shown in step 1 in Figure 7-61.
      Figure 7-61 Removing the AC power cable
      
   2. Remove the AC power cable, as shown in step 2 in Figure 7-61.

4. Open the latch on the ejector lever of the power module, hold the ejector lever, and pull out the power module, as shown in Figure 7-62.
   Figure 7-62 Opening the power module latch to pull out the power module
   

5. Put the removed power module into an ESD bag.
6. Take the spare part out of its ESD bag.
7. Insert the power module into the empty slot, as shown in Figure 7-63.
   Figure 7-63 Inserting the power module into the empty slot
   

8. Connect the power cables.
   1. Connect the power cable to the cable port on the AC power module, as shown in step 1 in Figure 7-64.
      Figure 7-64 Connecting the AC power cable
      
   2. Secure the power cable using a velcro strap, as shown in step 2 in Figure 7-64.

   Adjust the position of the velcro strap to ensure that the velcro strap can fasten the AC power cable and the connector of the AC power cable is secure.

9. Wait about two minutes and check the status of the Running/Alarm indicator on the power module to determine whether the power module has been successfully installed. Figure 7-65 or Figure 7-66 shows the location of the Running/Alarm indicator.
   • If the indicator is steady green, the power module has been successfully installed.
   • If the indicator is blinking green, the power input is normal but the controller enclosure is powered off.
   • If the indicator is steady yellow or off, the newly installed power module is faulty or the power module slot is faulty.
   Figure 7-65 Running/Alarm indicator on a power module
   
   Figure 7-66 (Optional) Running/Alarm indicator on a power module
   

10. Confirm the replacement.

    After the preceding procedure is complete, check services on the host for storage-related errors. If any storage-related error is reported, contact Huawei technical support.

Follow-up Procedure

After the power module is replaced, label it to facilitate subsequent operations.