• Discovery MR750 3.0T System Service Methods
  • 5690009-2EN Revision 4
  • Object ID: 00000018WIA30C9E030GYZ
  • Topic ID: id_12373660 Version: 1.6
  • Date: Oct 11, 2021 3:47:42 PM

ICN Power Supply Replacement (Dell R620, R630, and R640)

Prerequisites

Table 1. Personnel requirements
Required personsPreliminary requirementsProcedureFinalization
110 minutes30 minutes20 minutes
Table 2. Replacement parts
ItemQuantityEffectivityPart numberManufacturer
Power supply (2 types – depends on ICN type)1-

See FRU manual.

-
Table 3. Safety

About this task

Overview

This procedure documents the process for replacing the power supply in the Dell R620, R630, and R640 ICNs.

Note:

Refer to the following table to determine the appropriate Gen Type and compare this with the ICN part number at the site. Consult the FRU manual to order the correct replacement power supply or supplies.

Table 4. ICN Types and Series
ICN TypePart Number Series
R620 (Gen 5)5921000x
R630 (Gen 6)5931000x
R640 (Gen 7)5941000x

Procedure

  1. From the Common Service Desktop, turn off the ICN. See ICN On/Off Procedure.
  2. Perform LOTO on the reconstruction equipment. See the MR Service Safety Manual, PN 5452735.
  3. On the front of the ICN, lift up on the locking tabs on the right side and the left side of the ICN.
    Figure 1. Locking Tab on Left Side of Dell R620, R630, and R640
  4. Slide the ICN until the stop is reached at the end of the slide rail.
  5. Disconnect the power cables from the ICN.

    • (For R620) The 16-channel ICN and the standard 32-channel ICN have one power supply.

    • (For R630 and R640) Channel count no longer refers to R630 or R640 ICNs. These are referred to as Value, Performance, or Advanced ICNs. Each ICN has a single power supply module with a unique part number. Note the specific ICN part number on site and use the FRU manual to order the appropriate replacement.

  6. Move the orange locking lever to the center of the supply and then pull the power supply out of the ICN chassis.
    Figure 2. Remove ICN Power Supply
  7. Install the new power supply.
  8. Reconnect the power cable(s).
  9. Slide the ICN back into the PGR cabinet.

Finalization

  1. From the CSD, turn on the ICN. See ICN On/Off Procedure.
  2. Reboot the host system computer.
  3. Perform Check Scan.