Functional Checks
- System
  - B0 Drift Functional Check
  - Emergency Stop and Off Check
  - 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.
  - Magnet Rundown Unit (MRU) Functional Check
  - Power on sequencing 1
  - ICC hose and valve inspection, coolant fill, and coolant leak check
  - Power on sequencing 2
  - DAQA Check
  - Running the fMRI Quality Assurance (QA) tool
    The fMRI Quality Assurance (QA) Tool assesses the stability of the MR system.
  - Checking the RF screen room door
    Make sure the RF screen room door is functioning correctly.
  - Doing an MRU yearly service check (MRU, ERU, or EDU PM testing matrix)
    The model number is listed on the side of the MRU, ERU, or EDU. Refer to the appropriate vendor manual available from the online documentation library for applicable testing procedures.
- Radio Frequency (RF)
- Coils
- Magnet Enclosure
- Patient Table
- Global Operator Console (GOC)
- Patient/PAC
- Grounding & Leakage Current
- Spectroscopy

SIGNA™ Hero 3.0T Service Methods
5852800-8EN Revision 1.0
Object ID: 00000018WIA30C48030GYZ
Topic ID: id_12373386 Version: 1.1
Date: Jul 5, 2019 10:03:33 PM

Magnet Rundown Unit (MRU) Functional Check

Refer to the Magnet Rundown Unit Operating and Service Manual (5265188) for testing instructions.