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Replacing the Global Operator Cabinet Audio Assembly (GOCAA)
Removal and installation instructions for replacing the Global Operator Cabinet Audio Assembly (GOCAA).

Replacements
- Operator Workspace
  - Host T5820
  - Ethernet Switch Replacement
  - Replacing the Global Operator Cabinet Audio Assembly (GOCAA)
    Removal and installation instructions for replacing the Global Operator Cabinet Audio Assembly (GOCAA).
    - Electrical Safety
      You must follow all recommended safety procedures when servicing and working near energy sources.
    - 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 - Global Operator Cabinet (GOC) and operator workspace
      Apply LOTO before servicing the GOC or items in the operator workspace. Applying LOTO ensures a safe environment when working on these items.
    - Removing the Global Operator Cabinet Audio Assembly (GOCAA)
    - Installing the Global Operator Cabinet Audio Assembly (GOCAA)
    - Removing LOTO - Global Operator Cabinet (GOC) and operator workspace
      Remove LOTO from the GOC and operator workspace before restoring power to these items.
    - Starting up the host computer
      How to start the host computer.
    - Completing the Global Operator Cabinet Audio Assembly (GOCAA) installation
      GOCAA install adjustment and final steps.
    - 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.
  - NEC LCD P241w Monitor Setting and Calibration
  - Replacing the temperature and humidity sensor
    Removes the temperature and humidity sensor from the Global Operator Cabinet (GOC) and installs a replacement sensor.
  - Replacing/Installing the SCIM, Keyboard and Mouse Replacement
  - Cabinet Power Switch Replacement
  - USB-Serial Converter Replacement
- ISC (Integrated System Cabinet)
- 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: 00000018WIA303FB230GYZ
Topic ID: id_15667179 Version: 2.1
Date: Jul 13, 2021 4:27:37 PM

Replacing the Global Operator Cabinet Audio Assembly (GOCAA)

Prerequisites


Personnel requirements
Required persons	Preliminary requirements	Procedure	Finalization
1	-	15 minutes	30 minutes


Tools and test equipment
Item	Quantity	Part number	Manufacturer
Screwdriver	1	-	-


Replacement parts
Item	Quantity	Part number	Manufacturer
GOC Audio Assembly	1	2395043-2	-


Required conditions
The host computer and the GOC audio assembly must be powered off.

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

Fatal electric shock hazard

Possible electric shock could cause bodily harm.

To prevent possible fatal electric shock, shut down the host computer and do a lock out and tag out of the Global Operator Cabinet (GOC).

Procedure

Shut down the application software on the Host computer.
Lock out and tag out power sources. See Lockout/Tagout of the GOC.