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Replacements
Pen Panel
Replacing the PS filter box
Replace the PS filter box in the Integrated System Cabinet (ISC) Penetration Wall (PW).
Removing LOTO - ISC
Removing locks and tags, and restoring power to the ISC (Integrated System Cabinet) Power Distribution Unit (PDU).

Replacements
- Operator Workspace
- ISC (Integrated System Cabinet)
- ICC (Integrated Cooling Cabinet)
- Magnet Enclosure and Outer Electronics
- Coil Replacement
- Patient Table
- MDP
- Pen Panel
  - Replacing the Gen2 gradient filter for remote siting configuration
    Instructions to remove the Gen2 gradient filter and replace it with a Gen2 gradient filter.
  - Cold Head EMI Filter Replacement
  - Air Filter Cleaning / Replacement
  - Replacing the PS filter box
    Replace the PS filter box in the Integrated System Cabinet (ISC) Penetration Wall (PW).
    - 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 - 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.
    - Removing the PS filter box
      Remove the PS filter box from the Integrated System Cabinet (ISC) Penetration Wall (PW).
    - Installing the PS filter box
      Install the PS filter box in the Integrated System Cabinet (ISC) Penetration Wall (PW).
    - Removing LOTO - ISC
      Removing locks and tags, and restoring power to the ISC (Integrated System Cabinet) Power Distribution Unit (PDU).
    - Starting up the host computer
      How to start the host computer.
    - 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.

SIGNA™ Hero 3.0T Service Methods
5852800-8EN Revision 1.0
Object ID: 00000018WIA30550B40GYZ
Topic ID: id_2016646 Version: 7.2
Date: Dec 2, 2021 11:11:12 AM

Removing LOTO - ISC

About this task

Notice

Potential B0 drift interference

B0 drift can be effected if the gradient coil temperature is not cooled down.

You must wait one hour after restoring power before doing certain calibrations and/or a customer scan.

Procedure

Alert necessary personnel that power is being restored.
Remove the lock and the tag from the PDU INPUT circuit breaker.
Rotate the larger main breaker labeled INPUT clockwise to the red On (1) position.
Press the green EMO RESET button.

Figure 1. EMO RESET button
Boot Signa and log in to scanning level.