Functional Checks
- System
  - Doing a compressor pressure check
    Do a check of the cryocooler compressor supply pressure.
  - Checking the RF screen room door
    Make sure the RF screen room door is functioning correctly.
  - B0 Drift Functional 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.
  - Emergency Stop (E-Stop) planned maintenance
  - Emergency Off (E-Off) planned maintenance
  - fMRI QA Tool
  - HEC Hose Inspection, Coolant Fill, and Coolant Leak Check
  - Finalizing the HEC hose inspection, coolant fill, and coolant leak check
  - Identifying the Image Compute Node (ICN)
  - MDP power and ground and battery replacement label check
    MDP power and ground connections must be tight in order to avoid system failures.
  - Magnet Rundown Unit (MRU) Functional Check
  - 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.
  - Peripheral Pulse Probe Check
  - Spike Noise Check
  - System Level Correlated Noise Check
  - Checking the oxygen monitor
    References to various Oxygen Monitor Subsystem Manuals.
  - Checking and adjusting the patient intercom functionality
    GOC Audio Assembly (GOCAA) controls are adjusted at factory for best sound quality. This document describes how to check and confirm volume and quality of sound heard from speaker in the magnet bore and from speaker at the Scan Control and Intercom Module (SCIM). Directions for sound adjustments are also provided if needed.
  - Checking the gradient and system PDU power and ground connection
    PDU power and ground connections need to be tight in order to avoid system failures.
- Radio Frequency (RF)
- Coils
- Magnet Enclosure
- Patient Table
- Patient/PAC
- Grounding and Leakage Current
- Spectroscopy

Discovery MR750 3.0T System Service Methods
5690009-2EN Revision 4
Object ID: 00000018WIA304E9F20GYZ
Topic ID: id_13105802 Version: 3.0
Date: Aug 29, 2019 1:31:59 AM

Identifying the Image Compute Node (ICN)

Topic ID: id_SL11941846-1060760

Disclaimer

Depending on your service agreement, not all service tools, diagnostics, and utilities referenced in this document may be accessible. Contact your sales person for information on available service license packages.

Topic ID: id_SL11941847-1060760

Utility description

Topic ID: id_SL11941848-1060760

Utility path

Utilities > Toolbox > VRE > ICN Identification

Topic ID: id_SL11941849-1060760

Purpose

This tool applies to systems with multiple ICN configurations only. Each ICN has a host name. This utility identifies each ICN and its host name. This is a helpful identifier when conducting troubleshooting and repair procedures.

Topic ID: id_SL11941850-1060760

Components tested

No components tested.

Topic ID: id_SL11941851-1060760

Requirements

System with multiple ICNs.

Topic ID: id_SL11941853-1060760

Test sequence

Navigate to the ICN Identification utility. Select the identification time from the drop-down menu.
The default time is 30 seconds. The LED can flash for the maximum length of five minutes.
Click ICN1 or ICN2. The ICN selected is identified by a flashing LED on the front chassis.

Topic ID: id_SL11941857-1060760

Results

The ICN selected is identified by a flashing LED on the front chassis (including systems with silver Sun ICNs).

For systems with a black Dedicated Computing ICN, only the MAC address displays. Confirm this address is correct with the ICN MAC address label located on the back of the ICN.