EasyManua.ls Logo

GE CT-9800 User Manual

GE CT-9800
510 pages
To Next Page IconTo Next Page
To Next Page IconTo Next Page
Page #1 background imageLoading...
Page #1 background image
Technical
Publications
Direction 46-018000
Revision 24
GE Medical Systems
General Service Manual
CT-9800 Quick System
Copyright 1999 by General Electric Company
Operating Documentation

Table of Contents

Question and Answer IconNeed help?

Do you have a question about the GE CT-9800 and is the answer not in the manual?

GE CT-9800 Specifications

General IconGeneral
BrandGE
ModelCT-9800
CategoryMedical Equipment
LanguageEnglish

Summary

IMPORTANT! ... X-RAY PROTECTION

CERTIFIED ELECTRICAL CONTRACTOR STATEMENT

Specifies requirements for electrical installations and personnel qualifications for servicing.

DAMAGE IN TRANSPORTATION

Procedures for handling and reporting shipping damage to equipment.

OMISSIONS & ERRORS

Instructions for reporting documentation errors or defects.

HOW TO USE THE 9800 MANUALS

SECTION 1 INTRODUCTION

1-2. System and Option Component Identification

Details on identifying system components and options, including H.H.S. certification.

1-3. H.H.S. Certification; Field Tests; and Record Forms

Information on H.H.S. certification, regulatory standards, and required documentation.

SECTION 2 ENVIRONMENTAL

2-1. Temperature

Importance of temperature checks and cooling requirements for system components.

2-2. Power Line Checks

Procedures for monitoring line voltage, disturbances, and ensuring equipment specifications are met.

2-3. Ground Continuity Check

Steps to verify system grounding integrity and electrical connections.

2-4. System Power and Load Distribution

Procedures for verifying power application, phase sequence, and load distribution.

2-5 X-Ray Line Transformer and Jumper Settings

Guidance on X-ray line transformer settings and jumper configurations.

2-6 Power Interlocks

Procedures for testing power interlocks and computer thermostat functionality.

2-7 Emergency OFF

Procedures for testing the SEO system emergency OFF and table/console emergency OFF.

SECTION 3 DATA PROCESSING ADJUSTMENTS

3-1 Alpha-numeric System Adjustments

Referrals to procedures for alpha-numeric adjustments in the Display Subsystem Manual.

3-3 Mag Tape Adjustments

Procedures for adjusting the 6026 Mag Tape Drive, including command string usage.

3-4 Disk System Adjustments

Procedures for disk system adjustments, referencing Data General documentation.

SECTION 9 X-RAY ALIGNMENT FOR XENON DETECTOR SYSTEMS

9-1 Requirements

Specifies requirements for X-Ray alignment and critical components.

9-2 Adjustment of Components For X-ray Alignment on Xenon Detector Systems

Details physical positioning of tube, detector, and collimator for X-ray alignment.

9-4 Plane Of Rotation (Requires a cold tube)

Checks and adjusts X-ray fan beam plane of rotation for perpendicularity.

9-5 Xenon Detector Beam On Window (Requires a cold tube)

Checks and adjusts Xenon detector window position for beam interception.

9-6 Tube Output and Detector Channel Check

Verifies tube output and normal channel output for integrity.

9-7 ISO Alignment (Requires a cold tube)

Aligns tube focal spot with detector center for accurate spatial sampling.

9-8 Xenon Detector CBF Alignment (Requires a cold tube)

Aligns body filter center with ISO alignment for Xenon detectors.

9-9 System Sag

Measures alignment changes and hysteresis in channel numbers during rotation.

9-11 Xenon Detector Q Cal Intensity

Checks channel 1 intensity for detector wedge verification.

9-12 The following records and data should be saved for H.H.S. purposes after completing x-ray alignment

Specifies records to be saved for H.H.S. purposes after X-ray alignment.

9-13 Steps Following X-ray Alignment of Xenon Detector Systems

Steps to follow after X-ray alignment, including Q cal file creation.

SECTION 9A - X-RAY ALIGNMENTS FOR HILIGHT DETECTOR SYSTEMS

9A-1 Requirements

Outlines requirements for X-ray alignment on HiLight detector systems.

9A-2 Adjustment Of Components For X-Ray Alignment

Details positioning of tube, detector, and collimator for HiLight X-ray alignment.

9A-7 Radial Alignment

Procedure for adjusting detector radial position after installation or removal.

9A-7 ISO Alignment

Aligns tube focal spot with detector center for HiLight systems.

9A-8 HiLight CBF Alignment (Requires a cold tube)

Aligns body filter center with ISO alignment for HiLight detectors.

9A-9 System Sag

Measures alignment changes and hysteresis in channel numbers during rotation.

SECTION 10 ALIGNMENT LIGHT ADJUSTMENT

10-1 Introduction

Overview of alignment adjustments and laser safety precautions.

10-2 Recommended Alignment Sequence

Step-by-step sequence for performing comprehensive alignment procedures.

10-3 - Special Tools and Preliminary Procedures

Lists necessary special tools and preliminary steps for alignment.

10-4 Laser Alignment Tool Setup

Instructions for properly installing and centering the laser alignment tool.

10-5 - Alignment of Internal Axial Laser Lights, Left and Right

Procedures for aligning internal axial laser lights for beam centering.

10-6 - Alignment of Sagittal Laser Light

Procedures for aligning sagittal laser light and adjusting beam positioning.

10-7 - Alignment of Coronal Laser Light, left and right

Procedures for aligning coronal laser lights and adjusting beam positioning.

10-8 Alignment of External Axial Laser Lights, Left and Right

Procedures for aligning external axial laser lights and adjusting beam positioning.

SECTION 11 TABLE TO GANTRY ALIGNMENT

11-1 Vertical Plane Of Table Perpendicular To Scan Plane

Verifies table perpendicularity to scan plane using laser alignment tool.

11-2 Centering the Table In the Scan Plane

Centers table in scan plane after perpendicularity is confirmed.

APPENDIX A BMC / ERCC & HIB Switch & Jumper Settings

SECTION 1 SYSTEM INTERCONNECT (DRAWING)

7-4 SYSTEM POWER MODULE SCHEMATIC

SECTION 1 HOW TO USE 9800 DIAGNOSTICS

1-1 R-Level

Explanation of R-level commands and available system options.

1-2 CTDS Programs

Details on accessing and using CTDS diagnostic programs from tape.

1-3 STATE$REP.TM

Information on the STATE$REP.TM file for tracking disk drive status and ECC errors.

SECTION 2 CTEX SERVICE PROGRAMS

2-1 - RECON SHUTDOWN

Explains RECON SHUTDOWN messages and troubleshooting steps for failed reconstructions.

2-2 - Release Notices

Information on software changes and known issues from release notices.

SECTION 3 ERROR LOG

3-1 Entering the Log

Steps to enter the system error log for review and analysis.

3-2 - Examining An Error Report

Guidance on analyzing error reports, identifying sequences, and determining causes.

3-3 Identify Error Type

Explains error message formats and how to decode them using system software.

3-4 Error Log Breakpoints

Procedures for partitioning error logs by setting breakpoints for better management.

SECTION 4 SYSTEM ERRORS

4-1 - Panic Codes

Details panic codes posted to the console upon major system faults and suggested actions.

4-2 - Fortran/RDOS Codes

Lists system errors posted as Fortran or RDOS codes and their parameters.

4-3 - System Hang Crash Tape

Procedure for creating a Crash Tape for system hang analysis.

SECTION 5 DATA PROCESSING SUBSYSTEM

5-1 - Problem Isolation

Steps to isolate problems within the computer, disk drive, or mag tape drive.

5-3 - Disk Drive

Primary references and checkout procedures for Zebra and Argus disk drives.

5-4 - Mag Tape Drive

Technical manual references and troubleshooting procedures for the Mag Tape Drive.

SECTION 6 AP DIAGNOSTICS (ST-CT)

6-1 Can we talk - at all?

Initial tests to determine if S140 and ST-CT processors can communicate.

6-6 UPAP FAILURES AND SOLUTIONS

Common errors related to UPAP and their resolution steps.

6-7 COMMON “M” LEVEL ERRORS AND THEIR SOLUTIONS

Troubleshooting common errors encountered at the "M" level of system operation.

6-8 COMMON KERNEL ABORT CODES AND THEIR SOLUTIONS

Identifies kernel abort codes and provides solutions for AP hardware failures.

SECTION 7 TROUBLESHOOTING HINTS

7-4 Image Aliasing and ISO Alignment Errors

Explains image aliasing and ISO alignment errors, with troubleshooting suggestions.

7-6 Mag Tape Errors

Troubleshooting common issues encountered with mag tape drives.

7-7 Image Artifacts (Streaks)

Troubleshooting image artifacts like streaks when the system is unresponsive.

SECTION 8 AUTOTEST and AUTOTSUMMARY

8-1 Introduction

Introduction to AutoTest and AutoSummary for identifying center artifacts.

8-2 AutoSummary

How AutoSummary filters and organizes AutoTest log data for analysis.

8-4 Interpreting AutoSummary Results

Guidelines for understanding AutoSummary results and determining appropriate actions.

8-5 Artifact Troubleshooting Tips

Common causes of image quality issues and artifacts to resolve before AutoSummary.

8-6 Getting Detector Identification Numbers

Procedure for obtaining detector identification numbers from the rating plate.

Related product manuals