Replacements
- Operator Workspace
- ISC (Integrated System Cabinet)
  - DCPS
  - SSSA and SSSPS
  - PDU
  - ISC Pen Wall
  - Leak Sensor
  - KASC
  - ICE
  - ICN
    - Replacing the ICN
      Remove and install the Image Compute Node (ICN).
    - ICN Power Supply Replacement (Dell R-620)
      - Replacing the ICN power supply
        This procedure describes the process of replacing the power supply in ICN.
        Shutting down the host computer
        Shutting down the host computer shuts down the system safely and turns off the power to the host computer.
        Applying LOTO - ISC
        Apply LOTO to the Power Distribution Unit (PDU) when servicing this item in the Integrated System Cabinet (ISC). Applying LOTO ensures a safe environment when working on this part.
        Replacing the ICN power supply
        Starting up the host computer
        How to start the host computer.
        Removing LOTO - ISC
        Removing locks and tags, and restoring power to the ISC (Integrated System Cabinet) Power Distribution Unit (PDU).
        Doing a check scan
        A check scan is done at the conclusion of many procedures. This functional check assures the unit is in good clinical working order.
    - ICN Hard Drive Replacement (Dell R-620)
  - GP4 Replacement
  - Replacing the exciter
    Removal and installation instructions for replacing the exciter.
  - Clock Splitter Replacement
  - Driver Module Lite Replacement
  - Ethernet Switch Replacement
  - Dual Drive RF Amp Replacement
  - Replacing the cabinet monitor
    The cabinet monitor communicates system status information to the SCP in the ICE through Ethernet interface. The cabinet monitor also distributes 1-wire signals.
  - PHPS 2 Replacement
  - Top FAN Assy Replacement
  - ISC Cabinet Coolant Flushing Procedure
- ICC (Integrated Cooling Cabinet)
- Magnet Enclosure and Outer Electronics
- Coil Replacement
- Patient Table
- MDP
- Pen Panel

SIGNA™ Hero 3.0T Service Methods
5852800-8EN Revision 1.0
Object ID: 00000018WIA3063CB30GYZ
Topic ID: id_2012603 Version: 5.2
Date: Jul 13, 2021 4:16:32 PM

Replacing the ICN power supply

Prerequisites


Personnel requirements
Required persons	Preliminary requirements	Procedure	Finalization
1	10 minutes	30 minutes	20 minutes


Tools and test equipment
Item	Quantity	Part number	Manufacturer
Nonmagnetic Titanium Service Tool Kit, Small Set	1	5113258	-


Replacement parts
Item	Quantity	Part number	Manufacturer
ICN power supply	1	5931100-21	-


Safety
Before working in any GE Healthcare MR suite or performing any GE Healthcare service procedure, you must: Have read and understood all hazard conditions and safety requirements in the latest revision of the GE Healthcare MR Service Safety Manual (5452735). Have successfully completed all relevant GE Healthcare Environmental Health and Safety (EHS) courses (or for non-GE employees, equivalent workplace training courses). Comply with all site-specific training and workplace safety requirements. If you have any safety concerns at any time, do not begin work or immediately stop work and move to a safe location. Immediately contact your supervisor or site safety officer for instructions on how to proceed.

DANGER

Electrocution hazard

Hazardous voltage is present when the cabinet is energized.

Before beginning any work, perform LOTO. See the MR Service Safety Manual (5452735).